diff --git a/sys/arch/prep/stand/boot/Makefile b/sys/arch/prep/stand/boot/Makefile
index 3d6562e1e9b0..75a58e27fc7c 100644
--- a/sys/arch/prep/stand/boot/Makefile
+++ b/sys/arch/prep/stand/boot/Makefile
@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile,v 1.8 2001/12/12 12:24:25 lukem Exp $
+#	$NetBSD: Makefile,v 1.9 2003/09/30 18:58:39 matt Exp $
 
 NOMAN= # defined
 
@@ -21,6 +21,7 @@ SRCS+= boot.c clock.c com.c conf.c cons.c devopen.c fd.c
 SRCS+= filesystem.c inkernel.c io.c tgets.c prf.c monitor.c
 SRCS+= kbd.c ns16550.c vers.c vreset.c vga.c video.c
 
+CFLAGS+= -ffreestanding
 AFLAGS= -x assembler-with-cpp -traditional-cpp
 
 CPPFLAGS= -nostdinc -I${.OBJDIR} -I${.CURDIR}/../mkbootimage -I${S}
diff --git a/sys/arch/prep/stand/common/Makefile b/sys/arch/prep/stand/common/Makefile
index 03d57430f598..d8d4646d1688 100644
--- a/sys/arch/prep/stand/common/Makefile
+++ b/sys/arch/prep/stand/common/Makefile
@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile,v 1.2 2001/12/12 01:49:50 tv Exp $
+#	$NetBSD: Makefile,v 1.3 2003/09/30 18:58:39 matt Exp $
 
 S= ${.CURDIR}/../../../..
 
@@ -8,6 +8,8 @@ CPPFLAGS+= -D_STANDALONE
 CPPFLAGS+= -I. -I${S} -I${.OBJDIR}
 CPPFLAGS+= -Werror -Wall -Wstrict-prototypes -Wmissing-prototypes
 
+CFLAGS+= -ffreestanding
+
 CLEANFILES+= machine powerpc
 
 .BEGIN: machine powerpc