diff --git a/openwrt/package/busybox/Makefile b/openwrt/package/busybox/Makefile
index 1b11c87b27..907a848d11 100644
--- a/openwrt/package/busybox/Makefile
+++ b/openwrt/package/busybox/Makefile
@@ -32,7 +32,7 @@ $(PKG_BUILD_DIR)/.configured:
 
 $(PKG_BUILD_DIR)/.built:
 	$(MAKE) CC=$(TARGET_CC) CROSS="$(TARGET_CROSS)" PREFIX="$(IDIR_BUSYBOX)" \
-		EXTRA_CFLAGS="$(TARGET_CFLAGS)" -C $(PKG_BUILD_DIR)
+		EXTRA_CFLAGS="$(TARGET_CFLAGS)" ARCH="$(ARCH)" -C $(PKG_BUILD_DIR)
 	touch $@
 
 $(IPKG_BUSYBOX):