diff --git a/target/linux/mcs814x/image/Makefile b/target/linux/mcs814x/image/Makefile
index f0642e3f9..ac85474a2 100644
--- a/target/linux/mcs814x/image/Makefile
+++ b/target/linux/mcs814x/image/Makefile
@@ -33,9 +33,9 @@ define Image/Prepare
 endef
 
 define Image/Build/dlan
-	dd if=$(KDIR)/uImage-dlan-usb-extender bs=1M conv=sync of=$(KDIR)/$(IMG_PREFIX)-dlan-usb-extender-upgrade.bin
-	cat $(KDIR)/root.$(1) >> $(KDIR)/$(IMG_PREFIX)-dlan-usb-extender-upgrade.bin
-	cp $(KDIR)/$(IMG_PREFIX)-dlan-usb-extender-upgrade.bin $(BIN_DIR)/
+	dd if=$(KDIR)/uImage-dlan-usb-extender bs=1M conv=sync of=$(KDIR)/$(IMG_PREFIX)-dlan-usb-extender-upgrade-$(1).bin
+	cat $(KDIR)/root.$(1) >> $(KDIR)/$(IMG_PREFIX)-dlan-usb-extender-upgrade-$(1).bin
+	cp $(KDIR)/$(IMG_PREFIX)-dlan-usb-extender-upgrade-$(1).bin $(BIN_DIR)/
 endef
 
 define Image/BuildKernel