diff --git a/website/common/script/ops/buy/buyArmoire.js b/website/common/script/ops/buy/buyArmoire.js
index 74246f0fd7..4d091a2c12 100644
--- a/website/common/script/ops/buy/buyArmoire.js
+++ b/website/common/script/ops/buy/buyArmoire.js
@@ -49,7 +49,7 @@ export class BuyArmoireOperation extends AbstractGoldItemOperation {
       result = this._experienceResult(user);
     }
 
-    this.substractCurrency(user, item);
+    this.subtractCurrency(user, item);
 
     let {message, armoireResp} = result;
 
diff --git a/website/common/script/ops/buy/buyHealthPotion.js b/website/common/script/ops/buy/buyHealthPotion.js
index 034a5a17c4..cad055a97c 100644
--- a/website/common/script/ops/buy/buyHealthPotion.js
+++ b/website/common/script/ops/buy/buyHealthPotion.js
@@ -35,7 +35,7 @@ export class BuyHealthPotionOperation extends AbstractGoldItemOperation {
       user.stats.hp = 50;
     }
 
-    this.substractCurrency(user, item, this.quantity);
+    this.subtractCurrency(user, item, this.quantity);
 
     let message = this.i18n('messageBought', {
       itemText: this.item.text(this.req.language),