diff --git a/server/mods-available/monitor_core_module.inc.php b/server/mods-available/monitor_core_module.inc.php
index 717e378db08db7689968fc546b4e0585e6a17a3c..33853029f81fb2c581779fd2471631b13f5cdf10 100644
--- a/server/mods-available/monitor_core_module.inc.php
+++ b/server/mods-available/monitor_core_module.inc.php
@@ -320,7 +320,7 @@ class monitor_core_module {
             $key = trim($part[0]);
             $value = trim($part[1]);
 			if($key == 'processor') $processor = intval($value);
-            $data[$key.' '.$processor] = $value;
+            if($key != '') $data[$key.' '.$processor] = $value;
         }
 
         /* the cpu has no state. It is, what it is */