diff --git a/target/linux/ar71xx/image/generic-senao.mk b/target/linux/ar71xx/image/generic-senao.mk
index dbb7b69f94..3a7f6776b3 100644
--- a/target/linux/ar71xx/image/generic-senao.mk
+++ b/target/linux/ar71xx/image/generic-senao.mk
@@ -1,12 +1,9 @@
 define Build/senao-factory-image
-	$(eval board=$(word 1,$(1)))
-	$(eval rootfs=$(word 2,$(1)))
-
 	mkdir -p $@.senao
 
-	touch $@.senao/FWINFO-OpenWrt-$(REVISION)-$(board)
-	$(CP) $(IMAGE_KERNEL) $@.senao/openwrt-senao-$(board)-uImage-lzma.bin
-	$(CP) $(rootfs) $@.senao/openwrt-senao-$(board)-root.squashfs
+	touch $@.senao/FWINFO-OpenWrt-$(REVISION)-$(1)
+	$(CP) $(IMAGE_KERNEL) $@.senao/openwrt-senao-$(1)-uImage-lzma.bin
+	$(CP) $@ $@.senao/openwrt-senao-$(1)-root.squashfs
 
 	$(TAR) -c \
 		--numeric-owner --owner=0 --group=0 --sort=name \
@@ -25,7 +22,7 @@ define Device/ens202ext
   IMAGE_SIZE := 13632k
   IMAGES += factory.bin
   MTDPARTS := spi0.0:256k(u-boot)ro,64k(u-boot-env),320k(custom)ro,1536k(kernel),12096k(rootfs),2048k(failsafe)ro,64k(art)ro,13632k@0xa0000(firmware)
-  IMAGE/factory.bin/squashfs := append-rootfs | pad-rootfs | senao-factory-image ens202ext $$$$@
+  IMAGE/factory.bin := append-rootfs | pad-rootfs | senao-factory-image ens202ext
   IMAGE/sysupgrade.bin := append-kernel | pad-to $$$$(KERNEL_SIZE) | append-rootfs | pad-rootfs | check-size $$$$(IMAGE_SIZE)
 endef
 TARGET_DEVICES += ens202ext