diff --git a/includes/discovery/os/xirrus.inc.php b/includes/discovery/os/xirrus.inc.php
index a33e76d3b6..2cf1da1e52 100644
--- a/includes/discovery/os/xirrus.inc.php
+++ b/includes/discovery/os/xirrus.inc.php
@@ -2,9 +2,9 @@
 
 if(!$os) {
     if (strstr($sysDescr, 'Xirrus')) {
-	if (strstr($sysDescr, 'ArrayOS')) {
-	        $os = 'xirrus_aos';
-	}
+        if (strstr($sysDescr, 'ArrayOS')) {
+            $os = 'xirrus_aos';
+        }
     }
 }