diff --git a/src/props/bulkhead/bulkhead.gd b/src/props/bulkhead/bulkhead.gd
index bf4c8f8..3b7fbb6 100644
--- a/src/props/bulkhead/bulkhead.gd
+++ b/src/props/bulkhead/bulkhead.gd
@@ -19,6 +19,10 @@ extends Node3D
 
 
 func _ready() -> void:
+	_deferred_init.call_deferred()
+
+
+func _deferred_init() -> void:
 	if start_open:
 		_instant_open()
 
@@ -59,7 +63,4 @@ func serialize() -> Dictionary:
 
 
 func deserialize(state: Dictionary) -> void:
-	if state["open"]:
-		_instant_open()
-	else:
-		_instant_close()  # unneccessary?
+	start_open = state["open"]
diff --git a/src/props/retinal_scanner/retinal_scanner.gd b/src/props/retinal_scanner/retinal_scanner.gd
index 4044eee..42c2b47 100644
--- a/src/props/retinal_scanner/retinal_scanner.gd
+++ b/src/props/retinal_scanner/retinal_scanner.gd
@@ -8,6 +8,10 @@ signal activated
 
 
 func _ready() -> void:
+	_deferred_init.call_deferred()
+
+
+func _deferred_init() -> void:
 	if enabled:
 		enable()
 	else:
@@ -47,5 +51,4 @@ func serialize() -> Dictionary:
 
 
 func deserialize(state: Dictionary) -> void:
-	if state["enabled"]:
-		enable()
+	enabled = state["enabled"]
diff --git a/src/props/wall_switch/wall_switch.gd b/src/props/wall_switch/wall_switch.gd
index 839ec8a..8bf39c9 100644
--- a/src/props/wall_switch/wall_switch.gd
+++ b/src/props/wall_switch/wall_switch.gd
@@ -22,6 +22,10 @@ const CLEAN_THRESHOLD := 1400
 
 func _ready() -> void:
 	interactive.label = label
+	_deferred_init.call_deferred()
+
+
+func _deferred_init() -> void:
 	if clean:
 		gunk_body.clear_all()
 		_on_clean()
@@ -88,11 +92,12 @@ func _on_action_delay_timeout() -> void:
 
 
 func serialize() -> Dictionary:
-	return {"enabled": enabled}
+	return {
+		"clean": clean,
+		"enabled": enabled,
+	}
 
 
 func deserialize(state: Dictionary) -> void:
-	if state["enabled"]:
-		enable()
-	else:
-		disable()
+	clean = state["clean"]
+	enabled = state["enabled"]