diff --git a/src/controllers/api/dronesController.ts b/src/controllers/api/dronesController.ts
index 9337dc62..972f8f6b 100644
--- a/src/controllers/api/dronesController.ts
+++ b/src/controllers/api/dronesController.ts
@@ -1,6 +1,7 @@
 import { toMongoDate, toOid } from "@/src/helpers/inventoryHelpers";
 import { config } from "@/src/services/configService";
 import { addMiscItems, getInventory } from "@/src/services/inventoryService";
+import { fromStoreItem } from "@/src/services/itemDataService";
 import { getAccountIdForRequest } from "@/src/services/loginService";
 import { getRandomInt, getRandomWeightedRewardUc } from "@/src/services/rngService";
 import { IMongoDate, IOid } from "@/src/types/commonTypes";
@@ -58,7 +59,7 @@ export const dronesController: RequestHandler = async (req, res) => {
                 : 0;
         const resource = getRandomWeightedRewardUc(system.resources, droneMeta.probabilities)!;
         //logger.debug(`drone rolled`, resource);
-        drone.ResourceType = "/Lotus/" + resource.StoreItem.substring(18);
+        drone.ResourceType = fromStoreItem(resource.StoreItem);
         const resourceMeta = ExportResources[drone.ResourceType];
         if (resourceMeta.pickupQuantity) {
             const pickupsToCollect = droneMeta.binCapacity * droneMeta.capacityMultipliers[resource.Rarity];
diff --git a/src/services/inventoryService.ts b/src/services/inventoryService.ts
index ccfaf0d0..0c5a4cc1 100644
--- a/src/services/inventoryService.ts
+++ b/src/services/inventoryService.ts
@@ -35,7 +35,7 @@ import {
     IUpdateChallengeProgressRequest
 } from "../types/requestTypes";
 import { logger } from "@/src/utils/logger";
-import { convertInboxMessage, getExalted, getKeyChainItems } from "@/src/services/itemDataService";
+import { convertInboxMessage, fromStoreItem, getExalted, getKeyChainItems } from "@/src/services/itemDataService";
 import {
     EquipmentFeatures,
     IEquipmentClient,
@@ -1260,7 +1260,7 @@ export const addKeyChainItems = async (
         `adding key chain items ${keyChainItems.join()} for ${keyChainData.KeyChain} at stage ${keyChainData.ChainStage}`
     );
 
-    const nonStoreItems = keyChainItems.map(item => item.replace("StoreItems/", ""));
+    const nonStoreItems = keyChainItems.map(item => fromStoreItem(item));
 
     //TODO: inventoryChanges is not typed correctly
     const inventoryChanges = {};
diff --git a/src/services/itemDataService.ts b/src/services/itemDataService.ts
index 8fd3969d..724e0243 100644
--- a/src/services/itemDataService.ts
+++ b/src/services/itemDataService.ts
@@ -244,3 +244,11 @@ export const convertInboxMessage = (message: IInboxMessage): IMessage => {
         r: false
     } satisfies IMessage;
 };
+
+export const toStoreItem = (type: string): string => {
+    return "/Lotus/StoreItems/" + type.substring("/Lotus/".length);
+};
+
+export const fromStoreItem = (type: string): string => {
+    return "/Lotus/" + type.substring("/Lotus/StoreItems/".length);
+};
diff --git a/src/services/purchaseService.ts b/src/services/purchaseService.ts
index 3a84ec4a..b153c86c 100644
--- a/src/services/purchaseService.ts
+++ b/src/services/purchaseService.ts
@@ -27,6 +27,7 @@ import {
 } from "warframe-public-export-plus";
 import { config } from "./configService";
 import { TInventoryDatabaseDocument } from "../models/inventoryModels/inventoryModel";
+import { fromStoreItem, toStoreItem } from "./itemDataService";
 
 export const getStoreItemCategory = (storeItem: string): string => {
     const storeItemString = getSubstringFromKeyword(storeItem, "StoreItems/");
@@ -240,7 +241,7 @@ export const handleStoreItemAcquisition = async (
         await handleBundleAcqusition(storeItemName, inventory, quantity, purchaseResponse.InventoryChanges);
     } else {
         const storeCategory = getStoreItemCategory(storeItemName);
-        const internalName = storeItemName.replace("/StoreItems", "");
+        const internalName = fromStoreItem(storeItemName);
         logger.debug(`store category ${storeCategory}`);
         if (!ignorePurchaseQuantity) {
             if (internalName in ExportGear) {
@@ -328,8 +329,7 @@ const handleBoosterPackPurchase = async (
             const result = getRandomWeightedRewardUc(pack.components, weights);
             if (result) {
                 logger.debug(`booster pack rolled`, result);
-                purchaseResponse.BoosterPackItems +=
-                    result.Item.split("/Lotus/").join("/Lotus/StoreItems/") + ',{"lvl":0};';
+                purchaseResponse.BoosterPackItems += toStoreItem(result.Item) + ',{"lvl":0};';
                 combineInventoryChanges(
                     purchaseResponse.InventoryChanges,
                     (await addItem(inventory, result.Item, 1)).InventoryChanges
diff --git a/src/services/questService.ts b/src/services/questService.ts
index 3e036a76..f52536be 100644
--- a/src/services/questService.ts
+++ b/src/services/questService.ts
@@ -3,7 +3,7 @@ import { isEmptyObject } from "@/src/helpers/general";
 import { TInventoryDatabaseDocument } from "@/src/models/inventoryModels/inventoryModel";
 import { createMessage } from "@/src/services/inboxService";
 import { addItem, addKeyChainItems } from "@/src/services/inventoryService";
-import { getKeyChainMessage, getLevelKeyRewards } from "@/src/services/itemDataService";
+import { fromStoreItem, getKeyChainMessage, getLevelKeyRewards } from "@/src/services/itemDataService";
 import {
     IInventoryDatabase,
     IQuestKeyClient,
@@ -157,7 +157,7 @@ export const completeQuest = async (inventory: TInventoryDatabaseDocument, quest
                 addFixedLevelRewards(fixedLevelRewards.levelKeyRewards, inventory, missionRewards);
 
                 for (const reward of missionRewards) {
-                    await addItem(inventory, reward.StoreItem.replace("StoreItems/", ""), reward.ItemCount);
+                    await addItem(inventory, fromStoreItem(reward.StoreItem), reward.ItemCount);
                 }
             } else if (fixedLevelRewards.levelKeyRewards2) {
                 for (const reward of fixedLevelRewards.levelKeyRewards2) {
@@ -166,9 +166,9 @@ export const completeQuest = async (inventory: TInventoryDatabaseDocument, quest
                         continue;
                     }
                     if (reward.rewardType == "RT_RESOURCE") {
-                        await addItem(inventory, reward.itemType.replace("StoreItems/", ""), reward.amount);
+                        await addItem(inventory, fromStoreItem(reward.itemType), reward.amount);
                     } else {
-                        await addItem(inventory, reward.itemType.replace("StoreItems/", ""));
+                        await addItem(inventory, fromStoreItem(reward.itemType));
                     }
                 }
             }