diff --git a/custom/vendor/PHPMailer.Lite.php b/custom/vendor/PHPMailer.Lite.php
index c951fb5..8a15dde 100644
--- a/custom/vendor/PHPMailer.Lite.php
+++ b/custom/vendor/PHPMailer.Lite.php
@@ -613,9 +613,10 @@ class PHPMailerLite
     {
         if (!empty($str) && is_string($str)) {
             preg_match('/[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,9}/', $str, $bk);
-            if (!empty($bk[0])) {
-                $email = $bk[0];
+            if (empty($bk[0])) {
+                return false;
             }
+            $email = $bk[0];
             $email = str_ireplace(["\r", "\n", "\t", '"', ",", "<", ">"], "", $email);
             if (filter_var($email, FILTER_VALIDATE_EMAIL) && self::IsValidEmail($email)) {
                 return $email;