diff --git a/CHANGELOG b/CHANGELOG
index 498ec05fca9..60ee11b5f6e 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,7 @@
 Please view this file on the master branch, on stable branches it's out of date.
 
 v 7.13.0 (unreleased)
+  - Fix Merge Request webhook to properly fire "merge" action when accepted from the web UI
   - Fix invalid timestamps in RSS feeds (Rowan Wookey)
   - Fix error when deleting a user who has projects (Stan Hu)
   - Fix downloading of patches on public merge requests when user logged out (Stan Hu)
diff --git a/app/services/merge_requests/auto_merge_service.rb b/app/services/merge_requests/auto_merge_service.rb
index 378b39bb9d6..cdedf48b0c0 100644
--- a/app/services/merge_requests/auto_merge_service.rb
+++ b/app/services/merge_requests/auto_merge_service.rb
@@ -14,7 +14,7 @@ module MergeRequests
         create_merge_event(merge_request, current_user)
         create_note(merge_request)
         notification_service.merge_mr(merge_request, current_user)
-        execute_hooks(merge_request)
+        execute_hooks(merge_request, 'merge')
 
         true
       else