diff --git a/modules/viscosity/player_behaviour_tree.cpp b/modules/viscosity/player_behaviour_tree.cpp
index 5d631457..d344011a 100644
--- a/modules/viscosity/player_behaviour_tree.cpp
+++ b/modules/viscosity/player_behaviour_tree.cpp
@@ -32,9 +32,10 @@ void PlayerBehaviourTree::_notification(int what) {
 void PlayerBehaviourTree::unhandled_input(Ref<InputEvent> const &event) {
 	if (event->is_action("move_left") || event->is_action("move_right")) {
 		this->move_input.x = Input::get_singleton()->get_axis("move_left", "move_right");
-	}
-	if (event->is_action("move_forward") || event->is_action("move_backward")) {
+		get_viewport()->set_input_as_handled();
+	} else if (event->is_action("move_forward") || event->is_action("move_backward")) {
 		this->move_input.y = Input::get_singleton()->get_axis("move_backward", "move_forward");
+		get_viewport()->set_input_as_handled();
 	}
 }