diff --git a/extend/phpmailer/Exception.php b/extend/phpmailer/Exception.php
index 9a05dec3c..038fbc9a5 100644
--- a/extend/phpmailer/Exception.php
+++ b/extend/phpmailer/Exception.php
@@ -18,7 +18,7 @@
  * FITNESS FOR A PARTICULAR PURPOSE.
  */
 
-namespace PHPMailer\PHPMailer;
+namespace phpmailer;
 
 /**
  * PHPMailer exception handler.