diff --git a/lib/redmine/field_format.rb b/lib/redmine/field_format.rb
index c4897c1..3d97f60 100644
--- a/lib/redmine/field_format.rb
+++ b/lib/redmine/field_format.rb
@@ -361,7 +361,7 @@ module Redmine
               url = "http://" + url
             end
           end
-          view.link_to value.to_s, url
+          view.link_to value.to_s.truncate(40), url
         else
           value.to_s
         end