diff --git a/blueprints/system/providers-microsoft-entra.yaml b/blueprints/system/providers-microsoft-entra.yaml
index b389a35824..24aea4289f 100644
--- a/blueprints/system/providers-microsoft-entra.yaml
+++ b/blueprints/system/providers-microsoft-entra.yaml
@@ -29,7 +29,7 @@ entries:
                 password=request.user.password
             )
             # ...otherwise we set an immutable ID based on the user's UID
-            user["on_premises_immutable_id"] = request.user.uid,
+            user["on_premises_immutable_id"] = request.user.uid
         return user
   - identifiers:
       managed: goauthentik.io/providers/microsoft_entra/group