diff --git a/addons/escoria-core/game/core-scripts/esc/types/esc_object.gd b/addons/escoria-core/game/core-scripts/esc/types/esc_object.gd
index 10f14b69..3edde98d 100644
--- a/addons/escoria-core/game/core-scripts/esc/types/esc_object.gd
+++ b/addons/escoria-core/game/core-scripts/esc/types/esc_object.gd
@@ -70,7 +70,8 @@ func get_save_data() -> Dictionary:
 	save_data["interactive"] = self.interactive
 	save_data["state"] = self.state
 
-	if self.node.get("is_movable") and self.node.is_movable:
+	if is_instance_valid(self.node) and \
+			self.node.get("is_movable") and self.node.is_movable:
 		save_data["global_transform"] = self.node.global_transform
 		save_data["last_deg"] = wrapi(self.node._movable._get_angle() + 1, 0, 360)
 		save_data["last_dir"] = self.node._movable.last_dir
diff --git a/addons/escoria-core/game/core-scripts/esc_room.gd b/addons/escoria-core/game/core-scripts/esc_room.gd
index 685089bc..6c0fce48 100644
--- a/addons/escoria-core/game/core-scripts/esc_room.gd
+++ b/addons/escoria-core/game/core-scripts/esc_room.gd
@@ -180,7 +180,8 @@ func perform_script_events():
 			)
 			escoria.globals_manager.set_global(
 				"ESC_LAST_SCENE",
-				escoria.main.current_scene.global_id, 
+				escoria.main.current_scene.global_id \
+						if escoria.main.current_scene != null else "", 
 				true
 			)
 
diff --git a/addons/escoria-core/game/main.gd b/addons/escoria-core/game/main.gd
index bcc4f56b..fcb9998f 100644
--- a/addons/escoria-core/game/main.gd
+++ b/addons/escoria-core/game/main.gd
@@ -126,7 +126,9 @@ func set_camera_limits(camera_limit_id: int = 0) -> void:
 func save_game(p_savegame_res: Resource) -> void:
 	p_savegame_res.main = {
 		ESCSaveGame.MAIN_LAST_SCENE_GLOBAL_ID_KEY: last_scene_global_id,
-		ESCSaveGame.MAIN_CURRENT_SCENE_FILENAME_KEY: current_scene.filename
+		ESCSaveGame.MAIN_CURRENT_SCENE_FILENAME_KEY: current_scene.filename \
+				if current_scene != null \
+				else "No current scene (not loaded yet)"
 	}