diff --git a/booking.emails_admin.inc b/booking.emails_admin.inc
index 3d17200..473ce82 100644
--- a/booking.emails_admin.inc
+++ b/booking.emails_admin.inc
@@ -278,7 +278,7 @@ function booking_emails_custom_ajax_form($node, &$form_state) {
   if (!isset($form_state['input']['email-type'])) {
     $subject_value = "";
     $body_value = "";
-    $submit_button_disabled = TRUE;
+    $submit_button_disabled = FALSE;
   }
   else {
     $emailtype = $form_state['input']['email-type'];