diff --git a/lib/galaxy/model/security.py b/lib/galaxy/model/security.py
index d8dbde46c44b..a8278d69557f 100644
--- a/lib/galaxy/model/security.py
+++ b/lib/galaxy/model/security.py
@@ -765,6 +765,9 @@ def create_private_user_role(self, user):
         return self.get_private_user_role(user)
 
     def get_private_user_role(self, user, auto_create=False):
+        if auto_create and user.id is None:
+            # New user, directly create private role
+            return self.create_private_user_role(user)
         stmt = (
             select(Role)
             .where(