diff --git a/src/controllers/custom/addXpController.ts b/src/controllers/custom/addXpController.ts
index 0ca05102..7e42deb3 100644
--- a/src/controllers/custom/addXpController.ts
+++ b/src/controllers/custom/addXpController.ts
@@ -1,5 +1,6 @@
 import { applyClientEquipmentUpdates, getInventory } from "@/src/services/inventoryService";
 import { getAccountIdForRequest } from "@/src/services/loginService";
+import { IOid } from "@/src/types/commonTypes";
 import { IEquipmentClient } from "@/src/types/inventoryTypes/commonInventoryTypes";
 import { TEquipmentKey } from "@/src/types/inventoryTypes/inventoryTypes";
 import { RequestHandler } from "express";
@@ -11,7 +12,7 @@ export const addXpController: RequestHandler = async (req, res) => {
     const request = req.body as IAddXpRequest;
     for (const [category, gear] of Object.entries(request)) {
         for (const clientItem of gear) {
-            const dbItem = inventory[category as TEquipmentKey].id(clientItem.ItemId.$oid);
+            const dbItem = inventory[category as TEquipmentKey].id((clientItem.ItemId as IOid).$oid);
             if (dbItem) {
                 if (dbItem.ItemType in ExportMisc.uniqueLevelCaps) {
                     if ((dbItem.Polarized ?? 0) < 5) {