diff --git a/LibreNMS/OS/Arubaos.php b/LibreNMS/OS/Arubaos.php
index 6d59b827d..a9b4001a6 100644
--- a/LibreNMS/OS/Arubaos.php
+++ b/LibreNMS/OS/Arubaos.php
@@ -105,6 +105,7 @@ class Arubaos extends OS implements
         foreach ($data as $oid => $entry) {
             $oid_parts = explode('.', $oid);
             $index = end($oid_parts);
+            $tmp_index = "$oid.$index";
 
             if ($type == 'frequency') {
                 $current = WirelessSensor::channelToFrequency($this->decodeChannel($entry[$oid]));
@@ -117,7 +118,7 @@ class Arubaos extends OS implements
                 $this->getDeviceId(),
                 $oid,
                 'arubaos-iap',
-                $index,
+                $tmp_index,
                 sprintf($desc, $index),
                 $current
             );