diff --git a/samples/widgets/dirctrl.cpp b/samples/widgets/dirctrl.cpp
index 646d03ae9c..654e256197 100644
--- a/samples/widgets/dirctrl.cpp
+++ b/samples/widgets/dirctrl.cpp
@@ -35,6 +35,7 @@
     #include "wx/radiobox.h"
     #include "wx/checkbox.h"
     #include "wx/button.h"
+    #include "wx/filedlg.h"
 #endif
 
 #include "wx/generic/dirctrlg.h"