diff --git a/net/upnp/Makefile b/net/upnp/Makefile
index 9bdb9e7d4..3ce82b5ea 100644
--- a/net/upnp/Makefile
+++ b/net/upnp/Makefile
@@ -1,6 +1,6 @@
 PLUGIN_NAME=		upnp
 PLUGIN_VERSION=		1.2
-PLUGIN_REVISION=	1
+PLUGIN_REVISION=	2
 PLUGIN_DEPENDS=		miniupnpd
 PLUGIN_COMMENT=		Universal Plug and Play Service
 PLUGIN_MAINTAINER=	franco@opnsense.org
diff --git a/net/upnp/src/etc/inc/plugins.inc.d/miniupnpd.inc b/net/upnp/src/etc/inc/plugins.inc.d/miniupnpd.inc
index 766b8db6f..bb0e88ba0 100644
--- a/net/upnp/src/etc/inc/plugins.inc.d/miniupnpd.inc
+++ b/net/upnp/src/etc/inc/plugins.inc.d/miniupnpd.inc
@@ -98,7 +98,7 @@ function miniupnpd_uuid()
 
 function miniupnpd_configure_do($verbose = false)
 {
-    global $config;
+    global $config, $g;
 
     miniupnpd_stop();
 
@@ -194,7 +194,7 @@ function miniupnpd_configure_do($verbose = false)
             $config_text .= "serial=".strtoupper(substr(miniupnpd_uuid(), 0, 8))."\n";
 
             /* set model number */
-            $config_text .= "model_number=".file_get_contents("/usr/local/opnsense/version/opnsense")."\n";
+            $config_text .= "model_number={$g['product_version']}\n";
 
             /* upnp access restrictions */
             for ($i=1; $i<=4; $i++) {