diff --git a/includes/discovery/os/ibmtl.inc.php b/includes/discovery/os/ibmtl.inc.php
index e1461b0d5..4c53b776b 100644
--- a/includes/discovery/os/ibmtl.inc.php
+++ b/includes/discovery/os/ibmtl.inc.php
@@ -11,8 +11,8 @@
 */
 
 if (!$os) {
-    $ibmtl_snmpget = snmp_get($device, 'SML-MIB:product-Name.0', '-Oqv', '');
+    $ibmtl_snmpget = snmp_get($device, 'SML-MIB::product-Name.0', '-Oqv', '');
     if (stristr($ibmtl_snmpget, 'IBM System Storage TS3500 Tape Library')) {
         $os = 'ibmtl';
     }
-}
\ No newline at end of file
+}