diff --git a/include/wx/datetime.h b/include/wx/datetime.h
index d1ded5d9a4..d7f994b915 100644
--- a/include/wx/datetime.h
+++ b/include/wx/datetime.h
@@ -1257,7 +1257,7 @@ WX_DECLARE_OBJARRAY(wxDateTime, wxDateTimeArray);
 // ----------------------------------------------------------------------------
 
 class WXDLLEXPORT wxDateTimeHolidayAuthority;
-WX_DEFINE_ARRAY(wxDateTimeHolidayAuthority *, wxHolidayAuthoritiesArray);
+WX_DEFINE_EXPORTED_ARRAY(wxDateTimeHolidayAuthority *, wxHolidayAuthoritiesArray);
 
 class WXDLLEXPORT wxDateTimeHolidayAuthority
 {