diff --git a/package/boot/uboot-tools/uboot-envtools/files/realtek b/package/boot/uboot-tools/uboot-envtools/files/realtek
index 49921da151..9b8bf90c27 100644
--- a/package/boot/uboot-tools/uboot-envtools/files/realtek
+++ b/package/boot/uboot-tools/uboot-envtools/files/realtek
@@ -26,7 +26,8 @@ zyxel,gs1900-24-v1|\
 zyxel,gs1900-24e|\
 zyxel,gs1900-24ep|\
 zyxel,gs1900-24hp-v1|\
-zyxel,gs1900-24hp-v2)
+zyxel,gs1900-24hp-v2|\
+zyxel,gs1900-48)
 	ubootenv_add_mtd "u-boot-env" "0x0" "0x400" "0x10000"
 	ubootenv_add_sys_mtd "u-boot-env2" "0x0" "0x1000" "0x10000"
 	;;