diff --git a/apps/pg/views.py b/apps/pg/views.py
index 92e9ed5..9f58a73 100644
--- a/apps/pg/views.py
+++ b/apps/pg/views.py
@@ -133,7 +133,7 @@ class PaymentConfirmView(UpdateView):
 
         if 'redirect-to-app' in request.POST:
             response = HttpResponse(status=302)
-            response['Location'] = self.object.callback_url
+            response['Location'] = self.object.callback_url + f'?state={self.object.state}'
             return response
 
         tool = self.object.get_gateway_tools()