diff --git a/src/msw/panel.cpp b/src/msw/panel.cpp
index bc73d1267a..5dc1bfcf5a 100644
--- a/src/msw/panel.cpp
+++ b/src/msw/panel.cpp
@@ -24,6 +24,7 @@
 #endif
 
 #ifndef WX_PRECOMP
+    #include "wx/bitmap.h"
     #include "wx/brush.h"
     #include "wx/panel.h"
 #endif // WX_PRECOMP