diff --git a/lib/libarch/sparc/v8/Makefile b/lib/libarch/sparc/v8/Makefile
index 76479b64eac9..199d745cf839 100644
--- a/lib/libarch/sparc/v8/Makefile
+++ b/lib/libarch/sparc/v8/Makefile
@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile,v 1.4 2013/10/01 17:37:08 mrg Exp $
+#	$NetBSD: Makefile,v 1.5 2013/10/02 15:43:02 christos Exp $
 
 NOLINKLIB=	# defined
 NOPROFILE=	# defined
@@ -10,7 +10,7 @@ LIB=		sparc_v8
 DPLIBC=		# nothing
 LDLIBC=		-nodefaultlibs
 
-AFLAGS+=	-Av8
+AFLAGS+=	-Wa,-Av8
 
 SRCS=	sparc_v8.S