diff --git a/app/scripts/sandbox/command_sync.gd b/app/scripts/sandbox/command_sync.gd
index 918aec7..3736aa0 100644
--- a/app/scripts/sandbox/command_sync.gd
+++ b/app/scripts/sandbox/command_sync.gd
@@ -63,3 +63,7 @@ func wrong_args_count(command: Command, right_count: int) -> bool:
 		return true
 	
 	return false
+
+
+func _exit_tree() -> void:
+	close()
diff --git a/app/scripts/sandbox/input_sync.gd b/app/scripts/sandbox/input_sync.gd
index db5e8a8..50ad82f 100644
--- a/app/scripts/sandbox/input_sync.gd
+++ b/app/scripts/sandbox/input_sync.gd
@@ -45,3 +45,9 @@ func get_scaled_mouse_pos(position : Vector2) -> Vector2:
 	position.x *= scale_width
 	position.y *= scale_height
 	return position
+
+
+func _exit_tree() -> void:
+	if input_sync != null:
+		input_sync.close()
+		input_sync = null
diff --git a/godot b/godot
index 36cbe3c..a3171b5 160000
--- a/godot
+++ b/godot
@@ -1 +1 @@
-Subproject commit 36cbe3cb18c96a196032159b4d2ec4993d7c9479
+Subproject commit a3171b5f2fd2df41d3476b76b65942ad32e0b2e1