diff --git a/etc/inc/vpn.inc b/etc/inc/vpn.inc
index 3fb76943ca..0f966db8f7 100644
--- a/etc/inc/vpn.inc
+++ b/etc/inc/vpn.inc
@@ -407,13 +407,6 @@ EOD;
 			$strongswan .= "\t\t\t# Search domain and default domain\n";
 			$strongswan .= "\t\t\t28674 = \"{$a_client['dns_domain']}\"\n";
 			if (empty($a_client['dns_split'])) {
-				$ipsec_dns = explode(',', $a_client['dns_domain']);
-				foreach ($ipsec_dns as $ipsecidx => $ipsecdns) {
-					$ipsec_dns[$ipsecidx] = trim($ipsecdns);
-				}
-				$a_client['dns_domain'] = implode(' ', $ipsec_dns);
-				unset($ipsec_dns);
-
 				$strongswan .= "\t\t\t28675 = \"{$a_client['dns_domain']}\"";
 			}
 			$strongswan .= "\n";
diff --git a/usr/local/www/vpn_ipsec_mobile.php b/usr/local/www/vpn_ipsec_mobile.php
index 98072d810f..2b70809be1 100644
--- a/usr/local/www/vpn_ipsec_mobile.php
+++ b/usr/local/www/vpn_ipsec_mobile.php
@@ -146,7 +146,7 @@ if ($_POST['submit']) {
 
 	if ($pconfig['dns_split_enable']) {
 		if (!empty($pconfig['dns_split'])) {
-			$domain_array=preg_split("/[ ,]+/",$pconfig['dns_split']);
+			$domain_array=explode(' ', $pconfig['dns_split']);
 			foreach ($domain_array as $curdomain) {
 				if (!is_domain($curdomain)) {
 					$input_errors[] = gettext("A valid split DNS domain list must be specified.");