diff --git a/back/methods/vn-user/privileges.js b/back/methods/vn-user/privileges.js
index 05ad4481c..0520fd5c2 100644
--- a/back/methods/vn-user/privileges.js
+++ b/back/methods/vn-user/privileges.js
@@ -86,9 +86,9 @@ module.exports = Self => {
 
             await userToUpdate.save(myOptions);
             await models.Account.sync(userToUpdate.name, null, null, myOptions);
-            await tx.commit();
+            if (tx) await tx.commit();
         } catch (err) {
-            await tx.rollback();
+            if (tx) await tx.rollback();
             throw err;
         };
     };