diff --git a/app/helpers/search_helper.rb b/app/helpers/search_helper.rb
index 8ff0bc67b71a9e4651b8b1a8270331f281a73f52..109acfd192bc2569d8468323b9e03ada018d0285 100644
--- a/app/helpers/search_helper.rb
+++ b/app/helpers/search_helper.rb
@@ -8,7 +8,9 @@ module SearchHelper
       default_autocomplete,
       project_autocomplete,
       help_autocomplete
-    ].flatten.to_json
+    ].flatten.uniq do |item|
+      item[:label]
+    end.to_json
   end
 
   private