diff --git a/includes/polling/mempools/mypoweros.inc.php b/includes/polling/mempools/mypoweros.inc.php
index 6a57efd930..6ef9086dab 100755
--- a/includes/polling/mempools/mypoweros.inc.php
+++ b/includes/polling/mempools/mypoweros.inc.php
@@ -2,7 +2,7 @@
 
 echo 'Maipu MemPool';
 
-$memory = snmp_get_multi_oid($device, ['memoryTotalBytes.0, numBytesAlloc.0, numBytesFree.0'], '-OvQ', 'MPIOS-MIB');
+$memory = snmp_get_multi_oid($device, ['memoryTotalBytes.0', 'numBytesAlloc.0', 'numBytesFree.0'], '-OvQ', 'MPIOS-MIB');
 
 $mempool['total'] = $memory['memoryTotalBytes.0'];
 $mempool['used'] = $memory['numBytesAlloc.0'];