diff --git a/auth_saml/models/auth_saml_provider.py b/auth_saml/models/auth_saml_provider.py
index cbba99a293..641291757e 100644
--- a/auth_saml/models/auth_saml_provider.py
+++ b/auth_saml/models/auth_saml_provider.py
@@ -430,7 +430,7 @@ def action_refresh_metadata_from_url(self):
         provider_ids = tuple(providers_to_update.keys())
         self.env.cr.execute(
             "SELECT id FROM auth_saml_provider WHERE id in %s FOR UPDATE",
-            (tuple(provider_ids),),
+            (provider_ids,),
         )
         updated = False
         for provider in providers: