X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6334d90353c18963d4fd7c2cafd782fb61dd6e71..1044b90c1b6dabee7327a9a2898725af9cc018b8:/include/wx/generic/propdlg.h

diff --git a/include/wx/generic/propdlg.h b/include/wx/generic/propdlg.h
index f2fcbaf9c9..b6c60227d4 100644
--- a/include/wx/generic/propdlg.h
+++ b/include/wx/generic/propdlg.h
@@ -16,7 +16,9 @@
 
 #if wxUSE_BOOKCTRL
 
-class WXDLLEXPORT wxBookCtrlBase;
+#include "wx/dialog.h"
+
+class WXDLLIMPEXP_FWD_CORE wxBookCtrlBase;
 
 //-----------------------------------------------------------------------------
 // wxPropertySheetDialog