diff --git a/src/export/Export.cpp b/src/export/Export.cpp
index 6cebc4def..08c07eacb 100644
--- a/src/export/Export.cpp
+++ b/src/export/Export.cpp
@@ -31,6 +31,7 @@
 #include "../Audacity.h" // for USE_* macros
 #include "Export.h"
 
+#include <wx/bmpbuttn.h>
 #include <wx/dcclient.h>
 #include <wx/file.h>
 #include <wx/filectrl.h>