diff --git a/webform2pdf.module b/webform2pdf.module
index 74a4c7a..1e5fe83 100644
--- a/webform2pdf.module
+++ b/webform2pdf.module
@@ -137,7 +137,7 @@ function webform2pdf_help($path, $arg) {
 function webform2pdf_send2pdf($node, $submission) {
   $webform2pdf = _webform2pdf_get_template($node->nid);
   $nopdf = array();
-  if ($webform2pdf['enabled'] && $webform2pdf['pdf_send_email']) {
+  if (isset($webform2pdf['enabled']) && $webform2pdf['enabled'] && $webform2pdf['pdf_send_email']) {
     $no_mail = unserialize($webform2pdf['no_send_email_addr']);
 
     if (is_array($no_mail)) {