diff --git a/src/markets/specialSlave.js b/src/markets/specialSlave.js
index 4583ed5e86fe6693531dfde588ada724a2e37d9f..1db6c8bf33c6d595b3f12a950c1f80168d291c92 100644
--- a/src/markets/specialSlave.js
+++ b/src/markets/specialSlave.js
@@ -77,7 +77,12 @@ App.Markets.specialSlave = function() {
 
 		if (V.cheatMode) {
 			let oneSlaveCost = (s) => { let cost = slaveCost(s); return cost + (10 * Math.trunc((cost / 10) * 2)); };
-			let allHeroSlaves = App.Utils.buildHeroArray().map((s) => { return {slave: App.Utils.getHeroSlave(s), cost: oneSlaveCost(s)}; });
+			let allHeroSlaves = App.Utils.buildHeroArray().map(
+				(hs) => {
+					const slave = App.Utils.getHeroSlave(hs);
+					return {slave: slave, cost: oneSlaveCost(slave), ID: hs.ID};
+				}
+			);
 			let totalCost = allHeroSlaves.reduce((acc, s) => acc += s.cost, 0);
 
 			if (V.cash > totalCost) {
@@ -85,12 +90,12 @@ App.Markets.specialSlave = function() {
 					"div",
 					el,
 					App.UI.DOM.link(
-						`Buy all of them for ${App.UI.DOM.cashFormat(totalCost)}`,
+						`Buy all of them for ${cashFormat(totalCost)}`,
 						() => {
 							for (const hero of allHeroSlaves) {
 								cashX(forceNeg(hero.cost), "slaveTransfer", hero.slave);
 								newSlave(hero.slave);
-								V.heroSlavesPurchased.push(hero.slave.ID);
+								V.heroSlavesPurchased.push(hero.ID);
 							}
 							refresh();
 						}
@@ -101,7 +106,7 @@ App.Markets.specialSlave = function() {
 					"div",
 					el,
 					App.UI.DOM.disabledLink(
-						`Buy all of them for ${App.UI.DOM.cashFormat(totalCost)}`,
+						`Buy all of them for ${cashFormat(totalCost)}`,
 						[`Cannot afford`]
 					)
 				);