diff --git a/db/migrate/20151020182731_fix_comma_in_user_format_setting_value.rb b/db/migrate/20151020182731_fix_comma_in_user_format_setting_value.rb
new file mode 100644
index 0000000..751ff21
--- /dev/null
+++ b/db/migrate/20151020182731_fix_comma_in_user_format_setting_value.rb
@@ -0,0 +1,13 @@
+class FixCommaInUserFormatSettingValue < ActiveRecord::Migration
+  def self.up 
+    Setting.
+      where(:name => 'user_format', :value => 'lastname_coma_firstname').
+      update_all(:value => 'lastname_comma_firstname')
+  end
+
+  def self.down
+    Setting.
+      where(:name => 'user_format', :value => 'lastname_comma_firstname').
+      update_all(:value => 'lastname_coma_firstname')
+  end
+end