diff --git a/docs/user/supported_devices.rst b/docs/user/supported_devices.rst
index d16e04e1..05bc8c87 100644
--- a/docs/user/supported_devices.rst
+++ b/docs/user/supported_devices.rst
@@ -17,6 +17,7 @@ ath79-generic
 * Buffalo
 
   - WZR-HP-AG300H / WZR-600DHP
+  - WZR-HP-G300NH (rtl8366s)
 
 * devolo
 
diff --git a/targets/ath79-generic b/targets/ath79-generic
index 74eda3e8..b0426ef6 100644
--- a/targets/ath79-generic
+++ b/targets/ath79-generic
@@ -41,6 +41,12 @@ device('avm-fritz-wlan-repeater-450e', 'avm_fritz450e', {
 device('buffalo-wzr-hp-ag300h', 'buffalo_wzr-hp-ag300h')
 device('buffalo-wzr-600dhp', 'buffalo_wzr-600dhp')
 
+device('buffalo-wzr-hp-g300nh-rtl8366s', 'buffalo_wzr-hp-g300nh-s', {
+	manifest_aliases = {
+		'buffalo-wzr-hp-g300nh', -- Upgrade from OpenWrt 19.07
+	},
+})
+
 -- devolo
 
 device('devolo-wifi-pro-1200e', 'devolo_dvl1200e', {