diff --git a/target/linux/ath25/image/Makefile b/target/linux/ath25/image/Makefile
index d6cd53d261..9cdcdf9e95 100644
--- a/target/linux/ath25/image/Makefile
+++ b/target/linux/ath25/image/Makefile
@@ -54,6 +54,9 @@ endef
 define Device/Default
   PROFILES = Default $$(DEVICE_NAME)
   KERNEL := copy-kernel | lzma-kernel
+  KERNEL_INITRAMFS = kernel-bin
+  KERNEL_INITRAMFS_NAME := vmlinux-initramfs.elf
+  KERNEL_INITRAMFS_SUFFIX := -kernel.elf
   IMAGES := sysupgrade.bin
   FILESYSTEMS := squashfs
 endef