diff --git a/www/OPNProxy/Makefile b/www/OPNProxy/Makefile
index c225b41a1..b982f8d23 100644
--- a/www/OPNProxy/Makefile
+++ b/www/OPNProxy/Makefile
@@ -1,6 +1,6 @@
 PLUGIN_NAME=		OPNProxy
 PLUGIN_VERSION=		1.0.5
-PLUGIN_REVISION=	3
+PLUGIN_REVISION=	4
 PLUGIN_COMMENT=		OPNsense proxy additions
 PLUGIN_DEPENDS=		os-redis${PLUGIN_PKGSUFFIX} \
 			os-squid${PLUGIN_PKGSUFFIX} \
diff --git a/www/OPNProxy/src/etc/inc/plugins.inc.d/opnproxy.inc b/www/OPNProxy/src/etc/inc/plugins.inc.d/opnproxy.inc
index 96f00a995..bf6370946 100644
--- a/www/OPNProxy/src/etc/inc/plugins.inc.d/opnproxy.inc
+++ b/www/OPNProxy/src/etc/inc/plugins.inc.d/opnproxy.inc
@@ -28,22 +28,21 @@
 
 function opnproxy_configure()
 {
-    return array(
+    return [
         'user_changed' => ['opnproxy_user_changed:2'],
         'webproxy' => ['opnproxy_webproxy:2'],
-    );
+    ];
 }
 
-
-function opnproxy_user_changed($verbose = false, $username = '')
+function opnproxy_user_changed($unused, $username = '')
 {
-    exec("/usr/local/opnsense/scripts/OPNProxy/redis_sync_users.py " . escapeshellarg($username));
+    mwexecf('/usr/local/opnsense/scripts/OPNProxy/redis_sync_users.py %', $username);
 }
 
-
 function opnproxy_webproxy($verbose = false, $action = null)
 {
     $response = configd_run('template reload Deciso/Proxy');
+
     if ($verbose) {
         printf("template reload Deciso/Proxy: %s\n", trim($response));
     }