diff --git a/src/osx/cocoa/window.mm b/src/osx/cocoa/window.mm
index 8580b52b5b..c76c1a8580 100644
--- a/src/osx/cocoa/window.mm
+++ b/src/osx/cocoa/window.mm
@@ -17,6 +17,7 @@
     #include "wx/log.h"
     #include "wx/textctrl.h"
     #include "wx/combobox.h"
+    #include "wx/radiobut.h"
 #endif
 
 #ifdef __WXMAC__