diff --git a/sys/boot/libstand32/Makefile b/sys/boot/libstand32/Makefile
index 93aec6077c57..e04d0bee4a24 100644
--- a/sys/boot/libstand32/Makefile
+++ b/sys/boot/libstand32/Makefile
@@ -19,6 +19,9 @@ LIB=		stand
 INTERNALLIB=
 MK_PROFILE=	no
 NO_PIC=
+.if ${MACHINE_ARCH} == "amd64" || ${MACHINE_ARCH} == "powerpc64"
+CFLAGS+=	-m32 -I.
+.endif
 
 WARNS?=		0