diff --git a/thermion_dart/lib/src/input/src/input_handler.dart b/thermion_dart/lib/src/input/src/input_handler.dart
index e82e5d1c..588e587b 100644
--- a/thermion_dart/lib/src/input/src/input_handler.dart
+++ b/thermion_dart/lib/src/input/src/input_handler.dart
@@ -14,6 +14,7 @@ enum InputType {
   MMB_HOVER,
   SCALE1,
   SCALE2,
+  SCALE2_ROTATE,
   SCROLLWHEEL,
   POINTER_MOVE,
   KEYDOWN_W,