diff --git a/app/controllers/categories_controller.rb b/app/controllers/categories_controller.rb
index 8ba80d6cfda..b60b1a2956b 100644
--- a/app/controllers/categories_controller.rb
+++ b/app/controllers/categories_controller.rb
@@ -163,6 +163,10 @@ class CategoriesController < ApplicationController
         end
       end
 
+      if result
+        DiscourseEvent.trigger(:category_updated, cat)
+      end
+
       result
     end
   end