diff --git a/src/controllers/api/inventoryController.ts b/src/controllers/api/inventoryController.ts
index 53d554c7..8316b9cb 100644
--- a/src/controllers/api/inventoryController.ts
+++ b/src/controllers/api/inventoryController.ts
@@ -1,5 +1,5 @@
 import { RequestHandler } from "express";
-import { getAccountForRequest } from "@/src/services/loginService";
+import { getAccountIdForRequest } from "@/src/services/loginService";
 import { Inventory, TInventoryDatabaseDocument } from "@/src/models/inventoryModels/inventoryModel";
 import { config } from "@/src/services/configService";
 import allDialogue from "@/static/fixed_responses/allDialogue.json";
@@ -17,9 +17,9 @@ import { applyCheatsToInfestedFoundry, handleSubsumeCompletion } from "./infeste
 import { allDailyAffiliationKeys, createLibraryDailyTask } from "@/src/services/inventoryService";
 
 export const inventoryController: RequestHandler = async (request, response) => {
-    const account = await getAccountForRequest(request);
+    const accountId = await getAccountIdForRequest(request);
 
-    const inventory = await Inventory.findOne({ accountOwnerId: account._id.toString() });
+    const inventory = await Inventory.findOne({ accountOwnerId: accountId });
 
     if (!inventory) {
         response.status(400).json({ error: "inventory was undefined" });
@@ -27,11 +27,7 @@ export const inventoryController: RequestHandler = async (request, response) =>
     }
 
     // Handle daily reset
-    const today: number = Math.trunc(new Date().getTime() / 86400000);
-    if (account.LastLoginDay != today) {
-        account.LastLoginDay = today;
-        await account.save();
-
+    if (!inventory.NextRefill || Date.now() >= inventory.NextRefill.getTime()) {
         for (const key of allDailyAffiliationKeys) {
             inventory[key] = 16000 + inventory.PlayerLevel * 500;
         }
@@ -39,6 +35,7 @@ export const inventoryController: RequestHandler = async (request, response) =>
 
         inventory.LibraryAvailableDailyTaskInfo = createLibraryDailyTask();
 
+        inventory.NextRefill = new Date((Math.trunc(Date.now() / 86400000) + 1) * 86400000);
         await inventory.save();
     }
 
@@ -219,9 +216,6 @@ export const getInventoryResponse = async (
         applyCheatsToInfestedFoundry(inventoryResponse.InfestedFoundry);
     }
 
-    // Fix for #380
-    inventoryResponse.NextRefill = { $date: { $numberLong: "9999999999999" } };
-
     // This determines if the "void fissures" tab is shown in navigation.
     inventoryResponse.HasOwnedVoidProjectionsPreviously = true;
 
diff --git a/src/models/inventoryModels/inventoryModel.ts b/src/models/inventoryModels/inventoryModel.ts
index c7446f41..d16eab27 100644
--- a/src/models/inventoryModels/inventoryModel.ts
+++ b/src/models/inventoryModels/inventoryModel.ts
@@ -1360,7 +1360,7 @@ const inventorySchema = new Schema<IInventoryDatabase, InventoryDocumentProps>(
         //https://warframe.fandom.com/wiki/Helminth
         InfestedFoundry: infestedFoundrySchema,
 
-        NextRefill: Schema.Types.Mixed, // Date, convert to IMongoDate
+        NextRefill: { type: Date, default: undefined },
 
         //Purchase this new permanent skin from the Lotus customization options in Personal Quarters located in your Orbiter.
         //https://warframe.fandom.com/wiki/Lotus#The_New_War
@@ -1435,6 +1435,9 @@ inventorySchema.set("toJSON", {
         if (inventoryDatabase.BlessingCooldown) {
             inventoryResponse.BlessingCooldown = toMongoDate(inventoryDatabase.BlessingCooldown);
         }
+        if (inventoryDatabase.NextRefill) {
+            inventoryResponse.NextRefill = toMongoDate(inventoryDatabase.NextRefill);
+        }
     }
 });
 
diff --git a/src/models/loginModel.ts b/src/models/loginModel.ts
index 75a12356..47cbe8ff 100644
--- a/src/models/loginModel.ts
+++ b/src/models/loginModel.ts
@@ -21,7 +21,6 @@ const databaseAccountSchema = new Schema<IDatabaseAccountJson>(
         TrackedSettings: { type: [String], default: [] },
         Nonce: { type: Number, default: 0 },
         Dropped: Boolean,
-        LastLoginDay: { type: Number },
         LatestEventMessageDate: { type: Date, default: 0 }
     },
     opts
diff --git a/src/types/inventoryTypes/inventoryTypes.ts b/src/types/inventoryTypes/inventoryTypes.ts
index 6fff6735..70d070b0 100644
--- a/src/types/inventoryTypes/inventoryTypes.ts
+++ b/src/types/inventoryTypes/inventoryTypes.ts
@@ -42,6 +42,7 @@ export interface IInventoryDatabase
             | "PendingCoupon"
             | "Drones"
             | "RecentVendorPurchases"
+            | "NextRefill"
             | TEquipmentKey
         >,
         InventoryDatabaseEquipment {
@@ -69,6 +70,7 @@ export interface IInventoryDatabase
     PendingCoupon?: IPendingCouponDatabase;
     Drones: IDroneDatabase[];
     RecentVendorPurchases?: IRecentVendorPurchaseDatabase[];
+    NextRefill?: Date;
 }
 
 export interface IQuestKeyDatabase {
@@ -307,7 +309,7 @@ export interface IInventoryClient extends IDailyAffiliations, InventoryClientEqu
     UseAdultOperatorLoadout?: boolean;
     NemesisAbandonedRewards: string[];
     LastInventorySync: IOid;
-    NextRefill: IMongoDate; // Next time argon crystals will have a decay tick
+    NextRefill?: IMongoDate;
     FoundToday?: IMiscItem[]; // for Argon Crystals
     CustomMarkers?: ICustomMarkers[];
     ActiveLandscapeTraps: any[];
diff --git a/src/types/loginTypes.ts b/src/types/loginTypes.ts
index 108b0417..0aaf2eed 100644
--- a/src/types/loginTypes.ts
+++ b/src/types/loginTypes.ts
@@ -15,7 +15,6 @@ export interface IDatabaseAccount extends IAccountAndLoginResponseCommons {
     email: string;
     password: string;
     Dropped?: boolean;
-    LastLoginDay?: number;
     LatestEventMessageDate: Date;
 }