X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a02f7807ce4899bcd5b112b050ba2f8917f21805..0bf36922c8a60f19dccc3889c15b281fc94d69c5:/include/wx/generic/propdlg.h

diff --git a/include/wx/generic/propdlg.h b/include/wx/generic/propdlg.h
index 282a25072b..b6c60227d4 100644
--- a/include/wx/generic/propdlg.h
+++ b/include/wx/generic/propdlg.h
@@ -16,7 +16,9 @@
 
 #if wxUSE_BOOKCTRL
 
-#include "wx/bookctrl.h"
+#include "wx/dialog.h"
+
+class WXDLLIMPEXP_FWD_CORE wxBookCtrlBase;
 
 //-----------------------------------------------------------------------------
 // wxPropertySheetDialog