diff --git a/include/Makefile b/include/Makefile
index 2348e5c96a6..7e8c1b57e1f 100644
--- a/include/Makefile
+++ b/include/Makefile
@@ -38,8 +38,8 @@ PFILES=	mqueue.h sched.h semaphore.h # aio.h
 # Only for default SHARED=copies case
 SFILES=	soundcard.h joystick.h
 
-LFILES=	aio.h errno.h fcntl.h inttypes.h linker_set.h poll.h syslog.h \
-	termios.h ucontext.h
+LFILES=	aio.h errno.h event.h fcntl.h inttypes.h linker_set.h \
+	poll.h syslog.h termios.h ucontext.h
 
 LDIRS=	cam msdosfs net netatalk netatm netgraph netinet netinet6 \
 	netipx netkey netncp netns nfs ntfs nwfs pccard posix4 sys vm