diff --git a/includes/discovery/sensors/pre-cache/junos.inc.php b/includes/discovery/sensors/pre-cache/junos.inc.php
index e787e91b40..76f86779e1 100644
--- a/includes/discovery/sensors/pre-cache/junos.inc.php
+++ b/includes/discovery/sensors/pre-cache/junos.inc.php
@@ -17,6 +17,6 @@ if ($device['os'] == 'junos') {
     $junos_oids = array();
     echo 'Caching OIDs:';
 
-    $junos_oids = snmpwalk_cache_multi_oid($device, 'JnxDomCurrentEntry', $oids, 'JUNIPER-DOM-MIB', $config['mib_dir'].':'.$config['mib_dir'].'/junos');
+    $junos_oids = snmpwalk_cache_multi_oid($device, 'JnxDomCurrentEntry', array(), 'JUNIPER-DOM-MIB', $config['mib_dir'].':'.$config['mib_dir'].'/junos');
 
 }
diff --git a/includes/discovery/sensors/pre-cache/pbn.inc.php b/includes/discovery/sensors/pre-cache/pbn.inc.php
index 9203e63143..bc3e0ae985 100644
--- a/includes/discovery/sensors/pre-cache/pbn.inc.php
+++ b/includes/discovery/sensors/pre-cache/pbn.inc.php
@@ -16,6 +16,6 @@ if ($device['os'] == 'pbn') {
     $pbn_oids = array();
     echo 'Caching OIDs:';
 
-    $pbn_oids = snmpwalk_cache_multi_oid($device, 'ifSfpParameterTable', $pbn_oids, 'NMS-IF-MIB', $config['mib_dir'].':'.$config['mib_dir'].'/pbn');
+    $pbn_oids = snmpwalk_cache_multi_oid($device, 'ifSfpParameterTable', array(), 'NMS-IF-MIB', $config['mib_dir'].':'.$config['mib_dir'].'/pbn');
 
 }