diff --git a/main.py b/main.py
index c7594ca..a5fc909 100755
--- a/main.py
+++ b/main.py
@@ -140,7 +140,7 @@ def webhook_receiver():
             manage_user_extra_fields(ldap_conn, dolibarr_user)
     elif triggercode.startswith('USERGROUP_'):
         with Connection(ldap_server, config.LDAP_BIND_USER, config.LDAP_BIND_PASSWORD) as ldap_conn:
-            dolibarr_group = dolibarr_client.call_get_api(f"users/groups/{obj['id']}")
+            dolibarr_group = dolibarr_client.call_get_api("users/groups", objid=obj['id'])
             manage_group_extra_fields(ldap_conn, dolibarr_group)
     else:
         abort(400)