diff --git a/cddl/lib/drti/Makefile b/cddl/lib/drti/Makefile
index ccc9aa926283..6e3d3a61a41d 100644
--- a/cddl/lib/drti/Makefile
+++ b/cddl/lib/drti/Makefile
@@ -18,4 +18,4 @@ CFLAGS+=	-I${.CURDIR}/../../../sys/cddl/compat/opensolaris \
 		-I${OPENSOLARIS_SYS_DISTDIR}/uts/common \
 		-DPIC ${PICFLAG}
 
-.include <bsd.prog.mk>
+.include <bsd.lib.mk>