diff --git a/app/forms.py b/app/forms.py
index aae6c01..dbefe1d 100644
--- a/app/forms.py
+++ b/app/forms.py
@@ -94,9 +94,9 @@ def populate(self, location: Location) -> None:
             if self.user_name.data is None:
                 self.user_name.data = session.get("anon_name", None)
 
-    def validate(self) -> bool:
+    def validate(self, *args, **kwargs) -> bool:
         """Check if the provided anon_name is not already taken"""
-        rv = OrderForm.validate(self)
+        rv = OrderForm.validate(self, *args, **kwargs)
         if not rv:
             return False