1 files changed, 6 insertions, 3 deletions
diff --git a/app/controllers/issue_relations_controller.rb b/app/controllers/issue_relations_controller.rb
index 52be512f1..8143f4f4a 100644
--- a/app/controllers/issue_relations_controller.rb
+++ b/app/controllers/issue_relations_controller.rb
@@ -56,10 +56,13 @@ class IssueRelationsController < ApplicationController
       @relation.safe_attributes = params_relation
       @relation.init_journals(User.current)
 
-      unless saved = @relation.save
-        saved = false
-        unsaved_relations << @relation
+      begin
+        saved = @relation.save
+      rescue ActiveRecord::RecordNotUnique
+        @relation.errors.add :base, :taken
       end
+
+      unsaved_relations << @relation unless saved
     end
 
     respond_to do |format|