diff --git a/booking.js b/booking.js
index 1cb75d7..6aa03d8 100644
--- a/booking.js
+++ b/booking.js
@@ -2,6 +2,9 @@
  * Special Effects AJAX framework command.
  */
 Drupal.ajax.prototype.commands.bookingEmailIDs =  function(ajax, response, status) {
-  var initValues = $('input:hidden#booking_email_default_ids').val();
-  alert(initValues)  ; // this will be executed after the ajax call
+    
+    jQuery(function($) {
+        var initValues = $('#booking_email_default_ids').val();
+        alert(initValues); // this will be executed after the ajax call        
+    });
 }
\ No newline at end of file