diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild
index f330ba4547cfd..b4a9a1891db6c 100644
--- a/include/uapi/linux/Kbuild
+++ b/include/uapi/linux/Kbuild
@@ -437,6 +437,7 @@ header-y += unistd.h
 header-y += unix_diag.h
 header-y += usbdevice_fs.h
 header-y += usbip.h
+header-y += userio.h
 header-y += utime.h
 header-y += utsname.h
 header-y += uuid.h