diff --git a/docs/user/supported_devices.rst b/docs/user/supported_devices.rst
index 2ce51061..d81e2a66 100644
--- a/docs/user/supported_devices.rst
+++ b/docs/user/supported_devices.rst
@@ -336,6 +336,7 @@ ramips-mt7621
 * ASUS
 
   - RT-AC57U
+  - RT-AX53U
 
 * Cudy
 
diff --git a/targets/ramips-mt7621 b/targets/ramips-mt7621
index 4cc218ad..18579d30 100644
--- a/targets/ramips-mt7621
+++ b/targets/ramips-mt7621
@@ -4,6 +4,9 @@ device('asus-rt-ac57u', 'asus_rt-ac57u', {
 	factory = false,
 })
 
+device('asus-rt-ax53u', 'asus_rt-ax53u', {
+	factory = false,
+})
 
 -- Cudy