diff --git a/distrib/utils/x_dhclient/Makefile b/distrib/utils/x_dhclient/Makefile
index d9b205444309..3fe780e916ba 100644
--- a/distrib/utils/x_dhclient/Makefile
+++ b/distrib/utils/x_dhclient/Makefile
@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile,v 1.14 2003/08/02 05:16:58 lukem Exp $
+#	$NetBSD: Makefile,v 1.15 2006/11/23 13:22:18 martin Exp $
 
 NOMAN=
 .include <bsd.own.mk>
@@ -12,6 +12,10 @@ SRCS=		dhclient.c clparse.c
 CPPFLAGS+=	-DCLIENT_PATH='"PATH=/usr/bin:/usr/sbin:/bin:/sbin"' \
 		-DSMALL -I${RSRCDIR} -I${RSRCDIR}/includes
 
+.if ${HAVE_GCC} == 4
+CPPFLAGS+=	-fno-strict-aliasing
+.endif
+
 #	common source
 #
 .PATH:	${RSRCDIR}/common