diff --git a/public/src/admin/manage/categories.js b/public/src/admin/manage/categories.js
index c8a8a10bfd..23c85892a4 100644
--- a/public/src/admin/manage/categories.js
+++ b/public/src/admin/manage/categories.js
@@ -208,7 +208,7 @@ define('admin/manage/categories', [
 			}
 
 			newCategoryId = -1;
-			api.put('/categories/' + cid, modified[cid]);
+			api.put('/categories/' + cid, modified[cid]).catch(app.alertError);
 		}
 	}