diff --git a/includes/discovery/os/acsw.inc.php b/includes/discovery/os/acsw.inc.php
index a20b3ab353..9d08cf4cca 100644
--- a/includes/discovery/os/acsw.inc.php
+++ b/includes/discovery/os/acsw.inc.php
@@ -1,5 +1,13 @@
 <?php
 
+if (!$os)
+{
+  if (strstr($sysDescr, "Cisco Application Control Software")) { $os = "acsw"; }
+  else if (strstr($sysDescr, "Application Control Engine")) { $os = "acsw"; }
+  else if (strstr($sysDescr, "ACE")) { $os = "acsw"; }
+
+}
+
 if (!$os)
 {
   if (strstr($sysObjectId, ".1.3.6.1.4.1.9.1.1291")) { $os = "acsw"; }