diff --git a/sys/lib/libkern/arch/mips/Makefile.inc b/sys/lib/libkern/arch/mips/Makefile.inc
index 373912742c8a..0d19bbb7c49a 100644
--- a/sys/lib/libkern/arch/mips/Makefile.inc
+++ b/sys/lib/libkern/arch/mips/Makefile.inc
@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile.inc,v 1.17 2000/11/01 19:37:19 thorpej Exp $
+#	$NetBSD: Makefile.inc,v 1.18 2001/12/27 00:10:39 shin Exp $
 #
 #	There are likely more that we will notice when we go native
 
@@ -6,5 +6,5 @@ SRCS+=	__assert.c bswap64.c memchr.c memcmp.c memset.c random.c scanc.c \
 	skpc.c strcat.c strcpy.c strcasecmp.c \
 	strncasecmp.c strncmp.c strncpy.c strtoul.c
 
-SRCS+=	byte_swap_2.S byte_swap_4.S memcpy.S memset.S memmove.S \
+SRCS+=	byte_swap_2.S byte_swap_4.S ffs.S memcpy.S memset.S memmove.S \
 	strlen.S strcmp.S