diff --git a/phpBB/profile.php b/phpBB/profile.php
index c974385dc2..cf039fc658 100644
--- a/phpBB/profile.php
+++ b/phpBB/profile.php
@@ -49,7 +49,7 @@ function validate_email($email)
 
 	if($email != "")
 	{
-		if( preg_match("/^[a-z0-9\.\-_]+@[a-z0-9\-_]+\.([a-z0-9\-_]+\.)?[a-z]+$/is", $email) )
+		if( preg_match("/^[a-z0-9\.\-_]+@[a-z0-9\-_]+\.([a-z0-9\-_]+\.)*?[a-z]+$/is", $email) )
 		{
 			$sql = "SELECT ban_email
 				FROM " . BANLIST_TABLE;