diff --git a/cad/gtkwave/Makefile b/cad/gtkwave/Makefile
index 36cdafe95e2b..ff8b4de22722 100644
--- a/cad/gtkwave/Makefile
+++ b/cad/gtkwave/Makefile
@@ -38,6 +38,10 @@ CONFIGURE_ARGS+= --with-gconf
.include "../../devel/gconfmm/buildlink3.mk"
.endif
+.if ${OPSYS} == "Darwin"
+.include "../../x11/gtk-mac-integration/buildlink3.mk"
+.endif
+
.include "../../archivers/bzip2/buildlink3.mk"
.include "../../archivers/xz/buildlink3.mk"
.include "../../devel/zlib/buildlink3.mk"
The patch looks good to me. -- Benny