diff --git a/app/helpers/issues_helper.rb b/app/helpers/issues_helper.rb
index bfe3ae7..82b8905 100644
--- a/app/helpers/issues_helper.rb
+++ b/app/helpers/issues_helper.rb
@@ -38,7 +38,7 @@ module IssuesHelper
       group_name = group_count = nil
       if query.grouped? && ((group = query.group_by_column.value(issue)) != previous_group || first)
         if group.blank? && group != false
-          group_name = l(:label_none)
+          group_name = "(#{l(:label_blank_value)})"
         else
           group_name = column_content(query.group_by_column, issue)
         end
diff --git a/config/locales/ar.yml b/config/locales/ar.yml
index 82ddd11..128f6d5 100644
--- a/config/locales/ar.yml
+++ b/config/locales/ar.yml
@@ -1139,3 +1139,4 @@ ar:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/az.yml b/config/locales/az.yml
index 5a59e51..c2ee126 100644
--- a/config/locales/az.yml
+++ b/config/locales/az.yml
@@ -1236,3 +1236,4 @@ az:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/bg.yml b/config/locales/bg.yml
index 1a346e6..157afc0 100644
--- a/config/locales/bg.yml
+++ b/config/locales/bg.yml
@@ -1133,3 +1133,4 @@ bg:
   description_date_to: Въведете крайна дата
   text_repository_identifier_info: 'Позволени са малки букви (a-z), цифри, тирета и _.<br />Промяна след създаването му не е възможна.'
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/bs.yml b/config/locales/bs.yml
index a5230b3..62c6697 100644
--- a/config/locales/bs.yml
+++ b/config/locales/bs.yml
@@ -1152,3 +1152,4 @@ bs:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/ca.yml b/config/locales/ca.yml
index 1eafff0..ad388da 100644
--- a/config/locales/ca.yml
+++ b/config/locales/ca.yml
@@ -1141,3 +1141,4 @@ ca:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/cs.yml b/config/locales/cs.yml
index 0b49945..0f61aca 100644
--- a/config/locales/cs.yml
+++ b/config/locales/cs.yml
@@ -1141,3 +1141,4 @@ cs:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/da.yml b/config/locales/da.yml
index 556de9d..2c70cac 100644
--- a/config/locales/da.yml
+++ b/config/locales/da.yml
@@ -1156,3 +1156,4 @@ da:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/de.yml b/config/locales/de.yml
index 147b07a..f579ef9 100644
--- a/config/locales/de.yml
+++ b/config/locales/de.yml
@@ -1148,3 +1148,4 @@ de:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/el.yml b/config/locales/el.yml
index ebd6aa6..ee345e8 100644
--- a/config/locales/el.yml
+++ b/config/locales/el.yml
@@ -1139,3 +1139,4 @@ el:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/en-GB.yml b/config/locales/en-GB.yml
index 70a0ded..743eb86 100644
--- a/config/locales/en-GB.yml
+++ b/config/locales/en-GB.yml
@@ -1141,3 +1141,4 @@ en-GB:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/en.yml b/config/locales/en.yml
index c07a0eb..43936dc 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -937,6 +937,7 @@ en:
   label_email_address_add: Add email address
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
+  label_blank_value: blank
 
   button_login: Login
   button_submit: Submit
diff --git a/config/locales/es.yml b/config/locales/es.yml
index 303a0aa..86fb656 100644
--- a/config/locales/es.yml
+++ b/config/locales/es.yml
@@ -1172,3 +1172,4 @@ es:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/et.yml b/config/locales/et.yml
index 23b5696..f2050c2 100644
--- a/config/locales/et.yml
+++ b/config/locales/et.yml
@@ -1152,3 +1152,4 @@ et:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/eu.yml b/config/locales/eu.yml
index d59a3bb..75364dc 100644
--- a/config/locales/eu.yml
+++ b/config/locales/eu.yml
@@ -1140,3 +1140,4 @@ eu:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/fa.yml b/config/locales/fa.yml
index b6084ef..23be9c8 100644
--- a/config/locales/fa.yml
+++ b/config/locales/fa.yml
@@ -1140,3 +1140,4 @@ fa:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/fi.yml b/config/locales/fi.yml
index 3faa897..37d20ba 100644
--- a/config/locales/fi.yml
+++ b/config/locales/fi.yml
@@ -1160,3 +1160,4 @@ fi:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/fr.yml b/config/locales/fr.yml
index 1ad131e..e077e92 100644
--- a/config/locales/fr.yml
+++ b/config/locales/fr.yml
@@ -957,6 +957,7 @@ fr:
   label_email_address_add: Ajouter une adresse email
   label_enable_notifications: Activer les notifications
   label_disable_notifications: Désactiver les notifications
+  label_blank_value: non renseigné
 
   button_login: Connexion
   button_submit: Soumettre
diff --git a/config/locales/gl.yml b/config/locales/gl.yml
index 0636db6..29c3754 100644
--- a/config/locales/gl.yml
+++ b/config/locales/gl.yml
@@ -1147,3 +1147,4 @@ gl:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/he.yml b/config/locales/he.yml
index 810f9bf..07cb773 100644
--- a/config/locales/he.yml
+++ b/config/locales/he.yml
@@ -1144,3 +1144,4 @@ he:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/hr.yml b/config/locales/hr.yml
index 6aabab0..0b68a89 100644
--- a/config/locales/hr.yml
+++ b/config/locales/hr.yml
@@ -1140,3 +1140,4 @@ hr:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/hu.yml b/config/locales/hu.yml
index 18ff5c3..416505d 100644
--- a/config/locales/hu.yml
+++ b/config/locales/hu.yml
@@ -1158,3 +1158,4 @@
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/id.yml b/config/locales/id.yml
index aaa1760..c1b5d3e 100644
--- a/config/locales/id.yml
+++ b/config/locales/id.yml
@@ -1143,3 +1143,4 @@ id:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/it.yml b/config/locales/it.yml
index 937dfbb..a354c12 100644
--- a/config/locales/it.yml
+++ b/config/locales/it.yml
@@ -1138,3 +1138,4 @@ it:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/ja.yml b/config/locales/ja.yml
index 33c63c7..e8b1298 100644
--- a/config/locales/ja.yml
+++ b/config/locales/ja.yml
@@ -1155,3 +1155,4 @@ ja:
   label_enable_notifications: 通知を有効にする
   label_disable_notifications: 通知を無効にする
   setting_search_results_per_page: ページごとの検索結果表示件数
+  label_blank_value: blank
diff --git a/config/locales/ko.yml b/config/locales/ko.yml
index e0202a3..ffc5492 100644
--- a/config/locales/ko.yml
+++ b/config/locales/ko.yml
@@ -1183,3 +1183,4 @@ ko:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/lt.yml b/config/locales/lt.yml
index 4311cae..cd1e2f0 100644
--- a/config/locales/lt.yml
+++ b/config/locales/lt.yml
@@ -1198,3 +1198,4 @@ lt:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/lv.yml b/config/locales/lv.yml
index 7c12c2d..c9d775d 100644
--- a/config/locales/lv.yml
+++ b/config/locales/lv.yml
@@ -1133,3 +1133,4 @@ lv:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/mk.yml b/config/locales/mk.yml
index d688818..0a8467b 100644
--- a/config/locales/mk.yml
+++ b/config/locales/mk.yml
@@ -1139,3 +1139,4 @@ mk:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/mn.yml b/config/locales/mn.yml
index 203d287..5eef1f4 100644
--- a/config/locales/mn.yml
+++ b/config/locales/mn.yml
@@ -1140,3 +1140,4 @@ mn:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/nl.yml b/config/locales/nl.yml
index 8d04952..f30fa1d 100644
--- a/config/locales/nl.yml
+++ b/config/locales/nl.yml
@@ -1118,3 +1118,4 @@ nl:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/no.yml b/config/locales/no.yml
index b6baa6d..54e911b 100644
--- a/config/locales/no.yml
+++ b/config/locales/no.yml
@@ -1129,3 +1129,4 @@
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/pl.yml b/config/locales/pl.yml
index 9c98df8..cadfc43 100644
--- a/config/locales/pl.yml
+++ b/config/locales/pl.yml
@@ -1159,3 +1159,4 @@ pl:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/pt-BR.yml b/config/locales/pt-BR.yml
index 90e20f9..9cc2949 100644
--- a/config/locales/pt-BR.yml
+++ b/config/locales/pt-BR.yml
@@ -1158,3 +1158,4 @@ pt-BR:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/pt.yml b/config/locales/pt.yml
index db016fe..0ccb1b6 100644
--- a/config/locales/pt.yml
+++ b/config/locales/pt.yml
@@ -1144,3 +1144,4 @@ pt:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/ro.yml b/config/locales/ro.yml
index f7d2ef5..461a3ec 100644
--- a/config/locales/ro.yml
+++ b/config/locales/ro.yml
@@ -1134,3 +1134,4 @@ ro:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/ru.yml b/config/locales/ru.yml
index a020be4..d74d78d 100644
--- a/config/locales/ru.yml
+++ b/config/locales/ru.yml
@@ -1245,3 +1245,4 @@ ru:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/sk.yml b/config/locales/sk.yml
index 04b5ff6..88630a2 100644
--- a/config/locales/sk.yml
+++ b/config/locales/sk.yml
@@ -1129,3 +1129,4 @@ sk:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/sl.yml b/config/locales/sl.yml
index cb07217..449a2eb 100644
--- a/config/locales/sl.yml
+++ b/config/locales/sl.yml
@@ -1139,3 +1139,4 @@ sl:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/sq.yml b/config/locales/sq.yml
index 6b9c01e..682db77 100644
--- a/config/locales/sq.yml
+++ b/config/locales/sq.yml
@@ -1135,3 +1135,4 @@ sq:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/sr-YU.yml b/config/locales/sr-YU.yml
index b132f58..0059cf7 100644
--- a/config/locales/sr-YU.yml
+++ b/config/locales/sr-YU.yml
@@ -1141,3 +1141,4 @@ sr-YU:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/sr.yml b/config/locales/sr.yml
index 2748896..c756612 100644
--- a/config/locales/sr.yml
+++ b/config/locales/sr.yml
@@ -1140,3 +1140,4 @@ sr:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/sv.yml b/config/locales/sv.yml
index 5f06442..a31d922 100644
--- a/config/locales/sv.yml
+++ b/config/locales/sv.yml
@@ -1172,3 +1172,4 @@ sv:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/th.yml b/config/locales/th.yml
index a188836..2f85d30 100644
--- a/config/locales/th.yml
+++ b/config/locales/th.yml
@@ -1136,3 +1136,4 @@ th:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/tr.yml b/config/locales/tr.yml
index 3638fc3..6758c84 100644
--- a/config/locales/tr.yml
+++ b/config/locales/tr.yml
@@ -1148,3 +1148,4 @@ tr:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/uk.yml b/config/locales/uk.yml
index 2a8a4d4..64415cd 100644
--- a/config/locales/uk.yml
+++ b/config/locales/uk.yml
@@ -1134,3 +1134,4 @@ uk:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/vi.yml b/config/locales/vi.yml
index bd02949..ed36355 100644
--- a/config/locales/vi.yml
+++ b/config/locales/vi.yml
@@ -1192,3 +1192,4 @@ vi:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/zh-TW.yml b/config/locales/zh-TW.yml
index bc989b1..9aa5369 100644
--- a/config/locales/zh-TW.yml
+++ b/config/locales/zh-TW.yml
@@ -1216,3 +1216,4 @@
   text_repository_identifier_info: '僅允許使用小寫英文字母 (a-z), 阿拉伯數字, 虛線與底線。<br />一旦儲存之後, 代碼便無法再次被更改。'
   field_address: 電子郵件
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank
diff --git a/config/locales/zh.yml b/config/locales/zh.yml
index c81e596..67da6e0 100644
--- a/config/locales/zh.yml
+++ b/config/locales/zh.yml
@@ -1140,3 +1140,4 @@ zh:
   label_enable_notifications: Enable notifications
   label_disable_notifications: Disable notifications
   setting_search_results_per_page: Search results per page
+  label_blank_value: blank