diff --git a/booking.emails_admin.inc b/booking.emails_admin.inc
index 3b430c3..8b5039d 100644
--- a/booking.emails_admin.inc
+++ b/booking.emails_admin.inc
@@ -340,11 +340,20 @@ function booking_emails_custom_ajax_form($node, &$form_state) {
     '#format' => $form_format,        
   );  
 
-  $form['submit'] = array(
-    '#type' => 'submit',
-    '#value' => t('Save'),
-    '#disabled' => $submit_button_disabled,
-  );	
+  if (!isset($form_state['input']['email-type'])) {
+    $form['submit'] = array(
+      '#type' => 'submit',
+      '#value' => t('Save'),
+      '#disabled' => TRUE,
+    );	
+  }
+  else {
+    $form['submit'] = array(
+      '#type' => 'submit',
+      '#value' => t('Save'),
+      '#disabled' => FALSE,
+    );	    
+  }
 
   return array (
     'form' => $form,