diff --git a/target/linux/realtek/base-files/etc/board.d/05_compat-version b/target/linux/realtek/base-files/etc/board.d/05_compat-version
new file mode 100644
index 0000000000..5c4ecb9aae
--- /dev/null
+++ b/target/linux/realtek/base-files/etc/board.d/05_compat-version
@@ -0,0 +1,28 @@
+#
+# Copyright (C) 2020 OpenWrt.org
+#
+
+. /lib/functions.sh
+. /lib/functions/uci-defaults.sh
+
+board_config_update
+
+case "$(board_name)" in
+	zyxel,gs1900-8 | \
+	zyxel,gs1900-8hp-v1 | \
+	zyxel,gs1900-8hp-v2 | \
+	zyxel,gs1900-10hp | \
+	zyxel,gs1900-16 | \
+	zyxel,gs1900-24e | \
+	zyxel,gs1900-24ep | \
+	zyxel,gs1900-24hp-v1 | \
+	zyxel,gs1900-24hp-v2 | \
+	zyxel,gs1900-24-v1 | \
+	zyxel,gs1900-48)
+		ucidef_set_compat_version "2.0"
+        ;;
+esac
+
+board_config_flush
+
+exit 0