diff --git a/js/003-data/gameVariableData.js b/js/003-data/gameVariableData.js
index 045b9036fdcc868f2cb49177d5ce798c0dbe88b1..ce3cb4563526c9c44d0f7f4db0c0a06e5e0c26b6 100644
--- a/js/003-data/gameVariableData.js
+++ b/js/003-data/gameVariableData.js
@@ -1211,8 +1211,8 @@ App.Data.resetOnNGPlus = {
 	foodConsumption: 0,	/* total amount food consumed per week */
 	revealFoodEffects: 0,
 	rations: 0,
-
-	building: {},
+	/** @type {App.Arcology.Building | null} */
+	building: null,
 
 	menials: 0,
 	fuckdolls: 0,