diff --git a/docs/changelog/7.x.x.txt b/docs/changelog/7.x.x.txt
index 00ebaefd9..09becbfd4 100644
--- a/docs/changelog/7.x.x.txt
+++ b/docs/changelog/7.x.x.txt
@@ -1,4 +1,5 @@
 7.9.5
+ - fixed #11556: New cart doesn't work with other forms on the same page
 
 7.9.4
  - We're shipping underscore.js now for its suite of extremely handy utility
diff --git a/lib/WebGUI/Shop/Cart.pm b/lib/WebGUI/Shop/Cart.pm
index 395049179..6c66f78f6 100644
--- a/lib/WebGUI/Shop/Cart.pm
+++ b/lib/WebGUI/Shop/Cart.pm
@@ -968,7 +968,7 @@ sub www_view {
 
     my %var = (
         %{$self->get},
-        formHeader              => WebGUI::Form::formHeader($session)
+        formHeader              => WebGUI::Form::formHeader($session, { extras => q|id="wgCartId"|, })
                                 .  WebGUI::Form::hidden($session, {name=>"shop",   value=>"cart"})
                                 .  WebGUI::Form::hidden($session, {name=>"method", value=>"update"})
                                 .  WebGUI::Form::hidden($session, {name=>"itemId", value=>""})