diff --git a/src/modules/building/building_option/building_option.gd b/src/modules/building/building_option/building_option.gd
index 5c4e822..d6e812c 100644
--- a/src/modules/building/building_option/building_option.gd
+++ b/src/modules/building/building_option/building_option.gd
@@ -1,16 +1,16 @@
 class_name BuildingOption
 extends Control
 
-const buildings_json = preload("res://src/modules/building/building_option/buildings.tres")
-
 
 signal selected(item: BuildingOptionItem)
 
 @export var selected_id: int
-@onready var option_button: OptionButton = $OptionButton;
+
+const buildings_json = preload("res://src/modules/building/building_option/buildings.tres")
+
+var option_button: OptionButton;
 
 var selected_option: BuildingOptionItem = null
-
 var options: Array[BuildingOptionItem] = []
 
 func select(selected_id: int):
@@ -20,16 +20,18 @@ func select(selected_id: int):
 			selected_option = option
 			selected.emit(option)
 
-func _ready():
+func _enter_tree():
+	option_button = $OptionButton;
+	
 	for building_group in buildings_json.data:
 		option_button.add_separator(building_group.group)
 		
 		for building in building_group.children:
 			options.append(BuildingOptionItem.new(building))
 			option_button.add_item("{label} ({energy} ⚡)".format(building), building.id)
-		
-	option_button.selected = -1
-	
+
+
+func _ready():
 	if selected_id != null:
 		select(selected_id)