diff --git a/boot/syslinux/syslinux.mk b/boot/syslinux/syslinux.mk
index 0643f85a99..2df415fcfd 100644
--- a/boot/syslinux/syslinux.mk
+++ b/boot/syslinux/syslinux.mk
@@ -60,6 +60,8 @@ define SYSLINUX_BUILD_CMDS
 	$(TARGET_MAKE_ENV) $(MAKE1) \
 		CC="$(TARGET_CC)" \
 		LD="$(TARGET_LD)" \
+		OBJCOPY="$(TARGET_OBJCOPY)" \
+		AS="$(TARGET_AS)" \
 		NASM="$(HOST_DIR)/bin/nasm" \
 		CC_FOR_BUILD="$(HOSTCC)" \
 		CFLAGS_FOR_BUILD="$(HOST_CFLAGS)" \