--- a/browser/modules/PermissionUI.jsm
+++ b/browser/modules/PermissionUI.jsm
@@ -316,16 +316,19 @@ this.PermissionPromptPrototype = {
                 promptAction.action == Ci.nsIPermissionManager.ALLOW_ACTION) {
               this.allow();
             } else {
               this.cancel();
             }
           }
         },
       };
+      if (promptAction.dismiss) {
+        action.dismiss = promptAction.dismiss
+      }
 
       popupNotificationActions.push(action);
     }
 
     let mainAction = popupNotificationActions.length ?
                      popupNotificationActions[0] : null;
     let secondaryActions = popupNotificationActions.splice(1);