diff --git a/target/linux/realtek/image/rtl930x.mk b/target/linux/realtek/image/rtl930x.mk
index 8aff7d52f67..50c72494355 100644
--- a/target/linux/realtek/image/rtl930x.mk
+++ b/target/linux/realtek/image/rtl930x.mk
@@ -9,6 +9,8 @@ define Device/xikestor_sks8300-8x
   SOC := rtl9303
   DEVICE_VENDOR := XikeStor
   DEVICE_MODEL := SKS8300-8X
+  DEVICE_ALT0_VENDOR := ONTi
+  DEVICE_ALT0_MODEL := ONT-S508CL-8S
   BLOCKSIZE := 64k
   KERNEL_SIZE := 8192k
   IMAGE_SIZE := 30720k