diff --git a/Makefile.libcompat b/Makefile.libcompat
index c8a71225f802..5343b2e2480c 100644
--- a/Makefile.libcompat
+++ b/Makefile.libcompat
@@ -36,6 +36,7 @@ LIBCOMPATWMAKE+=	${TIME_ENV} ${LIBCOMPATWMAKEENV} ${MAKE} ${LIBCOMPATWMAKEFLAGS}
 			MK_MAN=no MK_HTML=no
 LIBCOMPATIMAKE+=	${LIBCOMPATWMAKE:NINSTALL=*:NDESTDIR=*} \
 			${IMAKE_INSTALL} \
+			MK_INCLUDES=no \
 			-DLIBRARIES_ONLY
 
 _LC_LIBDIRS.yes=		lib