diff --git a/system/src/main/java/io/github/sds100/keymapper/system/inputevents/InputEventUtils.kt b/system/src/main/java/io/github/sds100/keymapper/system/inputevents/InputEventUtils.kt
index ace7de6e71..add07cc25a 100644
--- a/system/src/main/java/io/github/sds100/keymapper/system/inputevents/InputEventUtils.kt
+++ b/system/src/main/java/io/github/sds100/keymapper/system/inputevents/InputEventUtils.kt
@@ -333,6 +333,9 @@ object InputEventUtils {
         "02bf" to KeyEvent.KEYCODE_MENU,
         "02bf" to KeyEvent.KEYCODE_ASSIST,
 
+        // Xperia 5 III assistant button
+        "01c9" to KeyEvent.KEYCODE_ASSIST,
+
         "KEY_SEARCH" to KeyEvent.KEYCODE_SEARCH,
     )