diff --git a/booking.regn_form.inc b/booking.regn_form.inc
index 44e2d86..3da64db 100644
--- a/booking.regn_form.inc
+++ b/booking.regn_form.inc
@@ -112,7 +112,7 @@ function booking_form($node, &$form_state, $inserting = FALSE, $early_access_all
       '#title' => 'Early Registration Code'
     );
     $form['early-access']['booking_earlyaccess_feedback_wrapper'] = array(
-      '#markup' => '<div id="booking-earlyaccess-feedback-wrapper"></div>',
+      '#markup' => '<div id="booking_earlyaccess_feedback_wrapper"></div>',
     );    
     $form['early-access']['booking_earlyaccess_explanation'] = array(
       '#type' => 'container',
@@ -962,25 +962,25 @@ function booking_earlyaccess_feedback_callback($form, &$form_state) {
       //no matching code found so return an error
       if (! $code_check) {
         watchdog('booking', "<pre>booking_earlyaccess_feedback_callback code check did not pass!</pre>");
-        return '<div id="booking-earlyaccess-feedback-wrapper"><span color="#8c2e0b">You have entered an invalid early registration code. If you do not have a code, please wait until normal registrations open.</span></div>';
+        return '<div id="booking_earlyaccess_feedback_wrapper"><span color="#8c2e0b">You have entered an invalid early registration code. If you do not have a code, please wait until normal registrations open.</span></div>';
       }
       //matched a code so let the user know everything is fine
       else {
         watchdog('booking', "<pre>booking_earlyaccess_feedback_callback code check matched</pre>");
-        return '<div id="booking-earlyaccess-feedback-wrapper"><span color="#234600">Your early registration code has been validated.</span></div>';
+        return '<div id="booking_earlyaccess_feedback_wrapper"><span color="#234600">Your early registration code has been validated.</span></div>';
       }
     }
     //no access code entered but we required one
     else {
-      return '<div id="booking-earlyaccess-feedback-wrapper"><span color="#8c2e0b">You must enter an early access code to register now. If you do not have a code, please wait until normal registrations open.</span></div>';
+      return '<div id="booking_earlyaccess_feedback_wrapper"><span color="#8c2e0b">You must enter an early access code to register now. If you do not have a code, please wait until normal registrations open.</span></div>';
     }
   }
   else {
-    return '<div id="booking-earlyaccess-feedback-wrapper"><span color="#8c2e0b">Unexpected condition.</span></div>';
+    return '<div id="booking_earlyaccess_feedback_wrapper"><span color="#8c2e0b">Unexpected condition.</span></div>';
   }
 
   #fallback
-  return '<div id="booking-earlyaccess-feedback-wrapper"></div>';
+  return '<div id="booking_earlyaccess_feedback_wrapper"></div>';
 }
 
 function booking_form_validate($form, &$form_state) {