diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index 157db77a7170..199fd71554e6 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -134,6 +134,7 @@ header-y += radeonfb.h
 header-y += raw.h
 header-y += resource.h
 header-y += rose.h
+header-y += serial_reg.h
 header-y += smbno.h
 header-y += snmp.h
 header-y += sockios.h