diff --git a/src/usr/local/www/interfaces_ppps_edit.php b/src/usr/local/www/interfaces_ppps_edit.php
index 285ea7f351..f396d4e2d0 100644
--- a/src/usr/local/www/interfaces_ppps_edit.php
+++ b/src/usr/local/www/interfaces_ppps_edit.php
@@ -559,9 +559,7 @@ function build_link_list() {
 		mwexec("/bin/mkdir -p /var/spool/lock");
 
 	if($pconfig['type'] == 'ppp') {
-		$serialports = glob("/dev/cua?[0-9]{,.[0-9]}", GLOB_BRACE);
-		//DEBUG
-		$serialports = glob("/dev/tty?[0-9]{,.[0-9]}", GLOB_BRACE);
+		$serialports = glob("/dev/cua[a-zA-Z][0-9]{,.[0-9],.[0-9][0-9],[0-9],[0-9].[0-9],[0-9].[0-9][0-9]}", GLOB_BRACE);
 
 		$serport_count = 0;