diff --git a/includes/definitions.inc.php b/includes/definitions.inc.php
index 448e226d3..b0116bfb0 100644
--- a/includes/definitions.inc.php
+++ b/includes/definitions.inc.php
@@ -184,6 +184,11 @@ $config['os'][$os]['type']  = 'server';
 $config['os'][$os]['group'] = 'unix';
 $config['os'][$os]['text']  = 'FreeBSD';
 
+$os = 'pfsense';
+$config['os'][$os]['type']  = 'server';
+$config['os'][$os]['group'] = 'unix';
+$config['os'][$os]['text']  = 'pfSense';
+
 $os = 'openbsd';
 $config['os'][$os]['type']  = 'server';
 $config['os'][$os]['group'] = 'unix';