diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index 4b0b7ed..a255553 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -305,6 +305,7 @@
 header-y += posix_types.h
 header-y += ppdev.h
 header-y += ppp-comp.h
+header-y += ppp-ioctl.h
 header-y += ppp_defs.h
 header-y += pps.h
 header-y += prctl.h