diff --git a/target/linux/mediatek/image/filogic.mk b/target/linux/mediatek/image/filogic.mk
index ac3e0c4347..f221b0bc2b 100644
--- a/target/linux/mediatek/image/filogic.mk
+++ b/target/linux/mediatek/image/filogic.mk
@@ -571,6 +571,7 @@ define Device/xiaomi_redmi-router-ax6000
   UBINIZE_OPTS := -E 5
   BLOCKSIZE := 128k
   PAGESIZE := 2048
+  IMAGE_SIZE := 112640k
   KERNEL_IN_UBI := 1
   IMAGES += factory.bin
   IMAGE/factory.bin := append-ubi | check-size $$$$(IMAGE_SIZE)