diff --git a/thermion_dart/lib/src/input/src/input_types.dart b/thermion_dart/lib/src/input/src/input_types.dart
index bbd5bb69..1083a8a9 100644
--- a/thermion_dart/lib/src/input/src/input_types.dart
+++ b/thermion_dart/lib/src/input/src/input_types.dart
@@ -89,8 +89,8 @@ class KeyEvent extends InputEvent {
 
 enum KeyEventType { down, up }
 
-enum LogicalKey { w, a, s, d, g, r, shift, esc, del, space }
+enum LogicalKey { w, a, s, d, g, r, x, y, z, shift, esc, del, space, backtick }
 
-enum PhysicalKey { w, a, s, d, g, r, shift, esc, del, space }
+enum PhysicalKey { w, a, s, d, g, r, x, y, z, shift, esc, del, space, backtick }
 
 enum InputAction { TRANSLATE, ROTATE, PICK, ZOOM, NONE }