diff --git a/target/linux/ramips/image/mt7621.mk b/target/linux/ramips/image/mt7621.mk
index a7266482b54..c08d8d78333 100644
--- a/target/linux/ramips/image/mt7621.mk
+++ b/target/linux/ramips/image/mt7621.mk
@@ -3041,6 +3041,9 @@ define Device/tplink_er605-v1
   DEVICE_VENDOR := TP-Link
   DEVICE_MODEL := ER605
   DEVICE_VARIANT := v1
+  DEVICE_ALT0_VENDOR := TP-Link
+  DEVICE_ALT0_MODEL := TL-R605
+  DEVICE_ALT0_VARIANT := v1
   DEVICE_PACKAGES := -wpad-basic-mbedtls -uboot-envtools
   IMAGE_SIZE := 13760k
 endef