diff --git a/src/server/endpoints/api/User.ts b/src/server/endpoints/api/User.ts
index 5796a1c..e368714 100644
--- a/src/server/endpoints/api/User.ts
+++ b/src/server/endpoints/api/User.ts
@@ -90,6 +90,8 @@ class UserEndpoint extends ApiEndpoint {
 
     async uploadAvatar (req: Request, res: Response): Promise<void> {
         const { user, files } = req;
+        if (!files) 
+            return void res.status(400).send('Missing file');
         const { file } = files;
         
         if (!file)