diff --git a/odoo_whatsapp_hub/models/whatsapp_account.py b/odoo_whatsapp_hub/models/whatsapp_account.py
index cc47087..e5d1576 100644
--- a/odoo_whatsapp_hub/models/whatsapp_account.py
+++ b/odoo_whatsapp_hub/models/whatsapp_account.py
@@ -94,11 +94,13 @@ class WhatsAppAccount(models.Model):
             headers['Authorization'] = f'Bearer {self.api_key}'
         return headers
 
-    @api.model
-    def create(self, vals):
-        if vals.get('is_default'):
-            self.search([('is_default', '=', True)]).write({'is_default': False})
-        return super().create(vals)
+    @api.model_create_multi
+    def create(self, vals_list):
+        for vals in vals_list:
+            if vals.get('is_default'):
+                self.search([('is_default', '=', True)]).write({'is_default': False})
+                break
+        return super().create(vals_list)
 
     def write(self, vals):
         if vals.get('is_default'):