diff --git a/target/linux/ramips/image/mt7620.mk b/target/linux/ramips/image/mt7620.mk
index 92792920cd6df8..dc9578733bb613 100644
--- a/target/linux/ramips/image/mt7620.mk
+++ b/target/linux/ramips/image/mt7620.mk
@@ -792,6 +792,8 @@ define Device/mercusys_ac12g-v1-8m
   TPLINK_HWID := 0x04da857c
   TPLINK_HWREV := 0x0c000600
   TPLINK_HWREVADD := 0x04000000
+  KERNEL := kernel-bin | append-dtb | lzma -d22
+  KERNEL_INITRAMFS := kernel-bin | append-dtb | lzma -d22 | tplink-v2-header -e
   IMAGES += tftp-recovery.bin
   IMAGE/tftp-recovery.bin := pad-extra 128k | $$(IMAGE/factory.bin)
   DEVICE_VENDOR := Mercusys