diff --git a/lib/wmi.js b/lib/wmi.js
index 0be04fa..4050f6f 100644
--- a/lib/wmi.js
+++ b/lib/wmi.js
@@ -3,7 +3,7 @@
 ////////////////////////////////////////////////////////////////////////
 
 var WMIClassObject = function() {
-    this.interface = new WMIObject();
+    this.interface = (new WMIQueryObject()).interface;
     this.class = null;
     this.className = "";
     this.method = null;