diff --git a/src/wx/panel.cpp b/src/wx/panel.cpp
index f6dcc40c..93bac06f 100644
--- a/src/wx/panel.cpp
+++ b/src/wx/panel.cpp
@@ -2226,14 +2226,19 @@ void GLDrawingPanel::DrawArea(wxWindowDC& dc)
 
 #if defined(__WXMSW__) && !defined(NO_D3D)
 #define DIRECT3D_VERSION 0x0900
-#include <d3d9.h>
-//#include <Dxerr.h>
+#include <d3d9.h> // main include file
+#include <d3dx9core.h> // required for font rendering
+#include <dxerr9.h> // contains debug functions
 
 DXDrawingPanel::DXDrawingPanel(wxWindow* parent, int _width, int _height)
     : DrawingPanel(parent, _width, _height)
 {
     // FIXME: implement
-    if (!did_init) DrawingPanelInit();
+    if (!did_init) {
+      DrawingPanelInit();
+    }
+
+    if (todraw) {
 }
 
 void DXDrawingPanel::DrawArea(wxWindowDC& dc)