diff --git a/app/services/merge_requests/merge_service.rb b/app/services/merge_requests/merge_service.rb
index 7963af127e1..d619b72e3c2 100644
--- a/app/services/merge_requests/merge_service.rb
+++ b/app/services/merge_requests/merge_service.rb
@@ -38,7 +38,7 @@ module MergeRequests
       }
 
       repository.merge(current_user, merge_request.source_sha, merge_request.target_branch, options)
-    rescue Exception => e
+    rescue StandardError => e
       merge_request.update(merge_error: "Something went wrong during merge")
       Rails.logger.error(e.message)
       return false