diff --git a/src/storefront/views.py b/src/storefront/views.py
index ae83a18..56da62b 100644
--- a/src/storefront/views.py
+++ b/src/storefront/views.py
@@ -293,7 +293,7 @@ def paypal_order_transaction_capture(request, transaction_id):
         order.status = OrderStatus.UNFULFILLED
         try:
             coupon = Coupon.objects.get(
-                    code=self.request.session.get('coupon_code')
+                    code=request.session.get('coupon_code')
                 )
         except ObjectDoesNotExist:
             coupon = None