diff --git a/include/Makefile b/include/Makefile
index 6513565cf06d..4f2b4fb5a6f5 100644
--- a/include/Makefile
+++ b/include/Makefile
@@ -49,6 +49,9 @@ LSUBDIRS=	cam/scsi dev/ppbus dev/usb dev/wi \
 	fs/fdescfs fs/fifofs fs/nullfs fs/portalfs fs/procfs fs/smbfs \
 	fs/umapfs fs/unionfs isofs/cd9660 ufs/ffs ufs/mfs ufs/ufs
 
+# For SHARED=symlinks, cam is a symlink, so cam/scsi is taken care of
+LSYMSUBDIRS=	${LSUBDIRS:Ncam/scsi}
+
 # Define SHARED to indicate whether you want symbolic links to the system
 # source (``symlinks''), or a separate copy (``copies'').  ``symlinks'' is
 # probably only useful for developers and should be avoided if you do not
@@ -96,7 +99,7 @@ beforeinstall: ${SHARED}
 .endfor
 
 copies:
-.for i in ${LDIRS} ${LNOHEADERDIRS} machine
+.for i in ${LDIRS} ${LSYMSUBDIRS} machine
 	if [ -h ${DESTDIR}/usr/include/$i ]; then \
 		rm -f ${DESTDIR}/usr/include/$i; \
 	fi
@@ -125,7 +128,10 @@ symlinks:
 .endfor
 .for i in ${LNOHEADERDIRS}
 	rm -rf ${DESTDIR}/usr/include/$i
-	ln -s ../../sys/$i ${DESTDIR}/usr/include/$i
+	mkdir ${DESTDIR}/usr/include/$i
+.endfor
+.for i in ${LSYMSUBDIRS}
+	ln -s ../../../sys/$i ${DESTDIR}/usr/include/$i
 .endfor
 	rm -rf ${DESTDIR}/usr/include/machine
 	ln -s ../../sys/${MACHINE_ARCH}/include ${DESTDIR}/usr/include/machine