diff --git a/includes/discovery/os/fortigate.inc.php b/includes/discovery/os/fortigate.inc.php
index eb15ac786..6ecc89d7c 100755
--- a/includes/discovery/os/fortigate.inc.php
+++ b/includes/discovery/os/fortigate.inc.php
@@ -2,7 +2,8 @@
 
 if(!$os) {
 
- if (strstr($sysObjectId, "1.3.6.1.4.1.12356.15")) { $os = "fortigate";  }
+ if (strstr($sysObjectId, ".1.3.6.1.4.1.12356.15")) { $os = "fortigate";  }
+ if (strstr($sysObjectId, ".1.3.6.1.4.1.12356.101.1")) { $os = "fortigate";  }
 
 }
 
diff --git a/includes/functions.php b/includes/functions.php
index 38b94687b..45296c071 100755
--- a/includes/functions.php
+++ b/includes/functions.php
@@ -93,8 +93,10 @@ function getHostOS($device)
 {
   global $config;
   
-  $sysDescr    = snmp_get ($device, "sysDescr.0", "-Ovq");
-  $sysObjectId = snmp_get ($device, "sysObjectID.0", "-Ovqn");
+  $sysDescr    = snmp_get ($device, "SNMPv2-MIB::sysDescr.0", "-Ovq");
+  $sysObjectId = snmp_get ($device, "SNMPv2-MIB::sysObjectID.0", "-Ovqn");
+
+  echo("| $sysDescr | $sysObjectId | ");
 
   $dir_handle = @opendir($config['install_dir'] . "/includes/discovery/os") or die("Unable to open $path");
   while ($file = readdir($dir_handle))