diff --git a/entity/coal.png.import b/entity/coal.png.import
index f4bfd3a..93a9252 100644
--- a/entity/coal.png.import
+++ b/entity/coal.png.import
@@ -2,7 +2,7 @@
 
 importer="texture"
 type="CompressedTexture2D"
-uid="uid://cad2rtfm4iooa"
+uid="uid://bnfwmlf7ems16"
 path="res://.godot/imported/coal.png-bae62eb66a24aa48a4fb6fc311fab196.ctex"
 metadata={
 "vram_texture": false
diff --git a/game/game.gd b/game/game.gd
index 6800cf5..3211d6f 100644
--- a/game/game.gd
+++ b/game/game.gd
@@ -92,6 +92,9 @@ func _on_ghost_requested(scene: PackedScene, texture: Texture2D):
 
 func _on_ghost_materialize():
 	var instantiated = ghost.materialize()
+	if not instantiated:
+		print("[Game] The ghost can't materialize; the spawning is cancelled!")
+		return
 	var spawner = instantiated.find_child("Spawner")
 	if spawner != null:
 		spawner.target = self