diff --git a/app/api/serializers/core/ticket.py b/app/api/serializers/core/ticket.py
index 8c8530ba7..f8f43e7f8 100644
--- a/app/api/serializers/core/ticket.py
+++ b/app/api/serializers/core/ticket.py
@@ -173,10 +173,10 @@ def is_valid(self, *, raise_exception=True) -> bool:
 
             self._ticket_type = str(self.fields['ticket_type'].choices[self._context['view']._ticket_type_value]).lower().replace(' ', '_')
 
-            is_valid = self.validate_ticket()
-
             self.validated_data['ticket_type'] = int(self._context['view']._ticket_type_value)
 
+            is_valid = self.validate_ticket()
+
             if self.instance is None:
 
                 subscribed_users: list = []