diff --git a/mk/os-Linux.mk b/mk/os-Linux.mk
index c79bb576..8aa32b36 100644
--- a/mk/os-Linux.mk
+++ b/mk/os-Linux.mk
@@ -1,4 +1,5 @@
 # Copyright 2008 Roy Marples
 
+SUBOS=		Linux
 CFLAGS+=	-D_BSD_SOURCE -D_XOPEN_SOURCE=600
 LIBDL=		-Wl,-Bdynamic -ldl
diff --git a/sh/Makefile b/sh/Makefile
index 3ec217c4..bd55cbda 100644
--- a/sh/Makefile
+++ b/sh/Makefile
@@ -8,9 +8,8 @@ INSTALLAFTER=	_installafter
 
 MK=	../mk
 # To get NET_LO
-include ${MK}/os.mk
-include Makefile.${SUBOS}
 include ${MK}/scripts.mk
+include Makefile.${SUBOS}
 
 _installafter:
 	${INSTALL} -d ${DESTDIR}/${PREFIX}/${INITDIR}