diff --git a/includes/discovery/os/edge-core.inc.php b/includes/discovery/os/edge-core.inc.php
index abe4cfbf13..6e256181f9 100644
--- a/includes/discovery/os/edge-core.inc.php
+++ b/includes/discovery/os/edge-core.inc.php
@@ -1,7 +1,7 @@
 <?php
 
 if (!$os) {
-    if (strstr($sysObjectId, '.1.3.6.1.4.1.259.6.10.94')) {
+    if (starts_with($sysObjectId, '.1.3.6.1.4.1.259.6.10.94')) {
         $os = 'edge-core';
     }
 }