diff --git a/includes/webform.submissions.inc b/includes/webform.submissions.inc
index 0c23634..599f13e 100644
--- a/includes/webform.submissions.inc
+++ b/includes/webform.submissions.inc
@@ -273,7 +273,8 @@ function webform_submission_send_mail($node, $submission, $emails = NULL) {
 
         // Send the e-mail via MIME mail.
         $message = mimemail($email['from'], $address, $message['subject'], $message['body'], !$email['html'], $email['headers'], $email['html'] ? NULL : $message['body'], $attachments, 'webform');
-        if ($message) {
+        // Ensure backwards compatibility with Mime Mail.
+        if ((is_array($message) && $message['result']) || (!is_array($message) && $message)) {
           $send_count++;
         }
       }