diff --git a/backend/routes/auth.js b/backend/routes/auth.js
index 26b34c25000c8884dd5e7dfffd0945f1aa57d710..a4a5a03ce0ef9ab496e83a11269a07004b309022 100644
--- a/backend/routes/auth.js
+++ b/backend/routes/auth.js
@@ -90,7 +90,7 @@ router.post('/pay_adhesion', async (req, res) => {
     if (dbUser){
         dbUser.date_subscription = "ok " + (new Date()).toISOString().split('T')[0];
         try {
-            await dbUser.save();
+            await dbUser.update();
         } catch(e) {
             errors = e;
             return res.status(400).json(e);