diff --git a/etc/mtree/BSD.include.dist b/etc/mtree/BSD.include.dist
index 6641b5e7a552..806be951b2c6 100644
--- a/etc/mtree/BSD.include.dist
+++ b/etc/mtree/BSD.include.dist
@@ -329,6 +329,8 @@
     ..
     sys
     ..
+    teken
+    ..
     ufs
         ffs
         ..
diff --git a/include/Makefile b/include/Makefile
index 703245094c3b..5ec7af70dbca 100644
--- a/include/Makefile
+++ b/include/Makefile
@@ -225,6 +225,9 @@ copies:
 	cd ${.CURDIR}/../sys/rpc; \
 	${INSTALL} -C -o ${BINOWN} -g ${BINGRP} -m 444 types.h \
 	    ${DESTDIR}${INCLUDEDIR}/rpc
+	cd ${.CURDIR}/../sys/teken; \
+	${INSTALL} -C -o ${BINOWN} -g ${BINGRP} -m 444 teken.h \
+	    ${DESTDIR}${INCLUDEDIR}/teken
 
 symlinks:
 	@${ECHO} "Setting up symlinks to kernel source tree..."