diff --git a/app/models/tag.rb b/app/models/tag.rb
index 306ca85a4..442873390 100644
--- a/app/models/tag.rb
+++ b/app/models/tag.rb
@@ -139,7 +139,7 @@ class Tag < ActiveRecord::Base
         if category
           category_id = categories.value_for(category)
 
-          if category_id != tag.category
+          if category_id != tag.category && CurrentUser.is_builder?
             tag.update_column(:category, category_id)
             tag.update_category_cache_for_all
           end