diff --git a/docs/user/supported_devices.rst b/docs/user/supported_devices.rst
index d4a22008c93df579ff570bf42d230b4c05b9bcd2..d64f240c76a1bd7c1ed91fb6e172dda732d72031 100644
--- a/docs/user/supported_devices.rst
+++ b/docs/user/supported_devices.rst
@@ -371,6 +371,7 @@ ramips-mt7621
 * ASUS
 
   - RT-AC57U (v1)
+  - RT-AX53U
 
 * Cudy
 
diff --git a/targets/ramips-mt7621 b/targets/ramips-mt7621
index 6f9fadbc3f157acdcf830d5eef62fc26a8013439..be2e21528328804943e3462c0b73a3b29c12399f 100644
--- a/targets/ramips-mt7621
+++ b/targets/ramips-mt7621
@@ -7,6 +7,7 @@ device('asus-rt-ac57u-v1', 'asus_rt-ac57u-v1', {
 	},
 })
 
+device('asus-rt-ax53u', 'asus_rt-ax53u')
 
 -- Cudy