diff --git a/app/controllers/spree/paypal_express_callbacks_controller.rb b/app/controllers/spree/paypal_express_callbacks_controller.rb
index f608446..7330493 100644
--- a/app/controllers/spree/paypal_express_callbacks_controller.rb
+++ b/app/controllers/spree/paypal_express_callbacks_controller.rb
@@ -18,7 +18,7 @@ module Spree
 
         case @notification.params["payment_status"]
           when "Denied"
-            @payment.fail!
+            @payment.failure!
 
           when "Completed"
             @payment.complete!