diff --git a/server/lib/classes/monitor_tools.inc.php b/server/lib/classes/monitor_tools.inc.php
index d3cdc65f2d9581922a2f9f50d8b2b36b138e2e10..e81c2de922f75674ccb8f58ab8846785303ef5d4 100644
--- a/server/lib/classes/monitor_tools.inc.php
+++ b/server/lib/classes/monitor_tools.inc.php
@@ -996,7 +996,7 @@ class monitor_tools {
 		 */
 		$tmp = explode("\n", $data['output']);
 		$more = $tmp[sizeof($tmp) - 1];
-		$this->_getIntArray($more);
+		$res = $this->_getIntArray($more);
 		$data['bytes'] = $res[0];
 		$data['requests'] = $res[1];