diff --git a/app/models/tag_alias.rb b/app/models/tag_alias.rb
index 344f7216b..ccadb95ff 100644
--- a/app/models/tag_alias.rb
+++ b/app/models/tag_alias.rb
@@ -124,6 +124,7 @@ class TagAlias < ActiveRecord::Base
   def ensure_category_consistency
     if antecedent_tag.category != consequent_tag.category
       consequent_tag.update_attribute(:category, antecedent_tag.category)
+      consequent_tag.update_category_cache_for_all
     end
 
     true