diff --git a/app/views/spree/orders/form/_cart_actions_row.html.haml b/app/views/spree/orders/form/_cart_actions_row.html.haml
index 1070f773b2..a7005a5eb6 100644
--- a/app/views/spree/orders/form/_cart_actions_row.html.haml
+++ b/app/views/spree/orders/form/_cart_actions_row.html.haml
@@ -1,7 +1,7 @@
 %tr
   %td{colspan:"2"}
   %td
-    %button#update-button.secondary.radius.expand.small{"ng-class" => "{ alert: form.$dirty }"}
+    %button#update-button.secondary.radius.expand.small{"ng-class" => "{ alert: form.$dirty && form.$valid }"}
       %i.ofn-i_023-refresh
       = t(:update)
   %td