diff --git a/web/api/v0/__init__.py b/web/api/v0/__init__.py
index 60607c5d6..f936eeb67 100644
--- a/web/api/v0/__init__.py
+++ b/web/api/v0/__init__.py
@@ -404,7 +404,9 @@ def post(
         mpsk = get_mpsk_client_or_404(mpsks_id)
 
         if user != mpsk.owner:
-            abort(404, message=f"User {user_id} does not own the mpsk client with the id {mpsks_id}")
+            abort(
+                404, message=f"User {user_id} does not own the mpsk client with the id {mpsks_id}"
+            )
 
         try:
             mpsk_edit(session, mpsk, user, name, mac, user)