diff --git a/phpBB/includes/functions_messenger.php b/phpBB/includes/functions_messenger.php
index 212ae720cb..9b9c013a02 100644
--- a/phpBB/includes/functions_messenger.php
+++ b/phpBB/includes/functions_messenger.php
@@ -455,7 +455,7 @@ class messenger
 
 			foreach ($address_ary as $which_ary)
 			{
-				$$type .= (($$type != '') ? ', ' : '') . (($which_ary['name'] != '') ? '"' . mail_encode($which_ary['name'], $encode_eol) . '" <' . $which_ary['email'] . '>' : $which_ary['email']);
+				$$type .= (($$type != '') ? ', ' : '') . (($which_ary['name'] != '') ? mail_encode($which_ary['name'], $encode_eol) . ' <' . $which_ary['email'] . '>' : $which_ary['email']);
 			}
 		}