diff --git a/app/api/views/alias.py b/app/api/views/alias.py
index 54daccfc..54678427 100644
--- a/app/api/views/alias.py
+++ b/app/api/views/alias.py
@@ -194,7 +194,7 @@ def get_alias_activities(alias_id):
 
     alias: Alias = Alias.get(alias_id)
 
-    if alias.user_id != user.id:
+    if not alias or alias.user_id != user.id:
         return jsonify(error="Forbidden"), 403
 
     alias_logs = get_alias_log(alias, page_id)