diff --git a/src/mcusim/mcuinterface.h b/src/mcusim/mcuinterface.h
index cc5e24b..78871de 100644
--- a/src/mcusim/mcuinterface.h
+++ b/src/mcusim/mcuinterface.h
@@ -73,8 +73,9 @@ class McuInterface : public eElement
         bool stepOne( int line );
         virtual void stepCpu()=0;

-    protected:
+    public:
  static McuInterface* m_pSelf;
+    protected:

         QString m_firmware;     // firmware file loaded
         QString m_device;