diff --git a/etc/inc/vpn.inc b/etc/inc/vpn.inc
index 8e73927fd0..b72f6a15cb 100644
--- a/etc/inc/vpn.inc
+++ b/etc/inc/vpn.inc
@@ -41,6 +41,7 @@
 */
 
 require_once("ipsec.inc");
+require_once("filter.inc");
 
 function vpn_ipsec_configure_loglevels($forconfig = false) {
 	global $config, $ipsec_loglevels;
diff --git a/usr/local/www/system_crlmanager.php b/usr/local/www/system_crlmanager.php
index f444da3aec..e96d2f6458 100644
--- a/usr/local/www/system_crlmanager.php
+++ b/usr/local/www/system_crlmanager.php
@@ -40,7 +40,8 @@
 
 require("guiconfig.inc");
 require_once("certs.inc");
-require_once('openvpn.inc');
+require_once("openvpn.inc");
+require_once("vpn.inc");
 
 global $openssl_crl_status;