diff --git a/booking.variety_form.inc b/booking.variety_form.inc
index 9fcd9b6..2c1f53e 100644
--- a/booking.variety_form.inc
+++ b/booking.variety_form.inc
@@ -37,7 +37,7 @@ function booking_variety_regn_form($node, &$form_state)
     '#size' => 60,	
     '#required' => TRUE,
     '#default_value' => !empty($data->booking_nid) ? $data->booking_nid : '',
-    '#attributes' => array(' type' => 'tel'),
+    '#attributes' => array(' type' => 'number', ' pattern' =>'[0-9]*'),
     '#ajax' => array(
       'event' => 'change',
       'wrapper' => 'booking_variety_form_wrapper',