diff --git a/libexec/rtld-elf/Makefile b/libexec/rtld-elf/Makefile
index e10fe42b4f88..ae49e9bd75a3 100644
--- a/libexec/rtld-elf/Makefile
+++ b/libexec/rtld-elf/Makefile
@@ -13,7 +13,7 @@ SRCS=		rtld_start.S \
 		malloc.c xmalloc.c debug.c libmap.c
 MAN=		rtld.1
 CSTD?=		gnu99
-CFLAGS+=	-Wall -DFREEBSD_ELF -DIN_RTLD -fno-builtin
+CFLAGS+=	-Wall -DFREEBSD_ELF -DIN_RTLD -ffreestanding
 CFLAGS+=	-I${SRCTOP}/lib/csu/common
 .if exists(${.CURDIR}/${MACHINE_ARCH})
 RTLD_ARCH=	${MACHINE_ARCH}