diff --git a/include/wx/ribbon/bar.h b/include/wx/ribbon/bar.h
index 9dcbb04488..76d36a31b7 100644
--- a/include/wx/ribbon/bar.h
+++ b/include/wx/ribbon/bar.h
@@ -15,7 +15,7 @@
 
 #if wxUSE_RIBBON
 
-class wxImageList;
+class WXDLLIMPEXP_FWD_CORE wxImageList;
 
 #include "wx/ribbon/control.h"
 #include "wx/ribbon/page.h"