Index: webform_pay.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/webform_pay/webform_pay.module,v
retrieving revision 1.4
diff -u -p -r1.4 webform_pay.module
--- webform_pay.module	28 Dec 2010 21:35:13 -0000	1.4
+++ webform_pay.module	24 Jan 2011 17:25:43 -0000
@@ -31,6 +31,7 @@ function webform_pay_webform_component_i
   // Allow components of these types to be used as a price field.
   $components['textfield']['features']['price'] = TRUE;
   $components['select']['features']['price'] = TRUE;
+  $components['hidden']['features']['price'] = TRUE;
 }
 
 /**