diff --git a/src/controllers/api/inventoryController.ts b/src/controllers/api/inventoryController.ts
index e9b15a63..4f73a5f7 100644
--- a/src/controllers/api/inventoryController.ts
+++ b/src/controllers/api/inventoryController.ts
@@ -106,7 +106,14 @@ export const inventoryController: RequestHandler = async (request, response) =>
         const currentDuviriMood = Math.trunc(Date.now() / 7200000);
         if (lastSyncDuviriMood != currentDuviriMood) {
             logger.debug(`refreshing duviri seed`);
-            inventory.DuviriInfo.Seed = generateRewardSeed();
+            if (!inventory.DuviriInfo) {
+                inventory.DuviriInfo = {
+                    Seed: generateRewardSeed(),
+                    NumCompletions: 0
+                };
+            } else {
+                inventory.DuviriInfo.Seed = generateRewardSeed();
+            }
         }
     }
     inventory.LastInventorySync = new Types.ObjectId();
diff --git a/src/models/inventoryModels/inventoryModel.ts b/src/models/inventoryModels/inventoryModel.ts
index dcb5a536..5525b500 100644
--- a/src/models/inventoryModels/inventoryModel.ts
+++ b/src/models/inventoryModels/inventoryModel.ts
@@ -391,8 +391,8 @@ MailboxSchema.set("toJSON", {
 
 const DuviriInfoSchema = new Schema<IDuviriInfo>(
     {
-        Seed: BigInt,
-        NumCompletions: { type: Number, default: 0 }
+        Seed: { type: BigInt, required: true },
+        NumCompletions: { type: Number, required: true }
     },
     {
         _id: false,
diff --git a/src/services/missionInventoryUpdateService.ts b/src/services/missionInventoryUpdateService.ts
index 66328a0d..b7c275d1 100644
--- a/src/services/missionInventoryUpdateService.ts
+++ b/src/services/missionInventoryUpdateService.ts
@@ -611,7 +611,7 @@ export const addMissionInventoryUpdates = async (
             case "duviriCaveOffers": {
                 // Duviri cave offers (generated with the duviri seed) change after completing one of its game modes (not when aborting).
                 if (inventoryUpdates.MissionStatus != "GS_QUIT") {
-                    inventory.DuviriInfo.Seed = generateRewardSeed();
+                    inventory.DuviriInfo!.Seed = generateRewardSeed();
                 }
                 break;
             }
diff --git a/src/types/inventoryTypes/inventoryTypes.ts b/src/types/inventoryTypes/inventoryTypes.ts
index 4973ff87..92b6973e 100644
--- a/src/types/inventoryTypes/inventoryTypes.ts
+++ b/src/types/inventoryTypes/inventoryTypes.ts
@@ -202,7 +202,7 @@ export interface IInventoryClient extends IDailyAffiliations, InventoryClientEqu
     OperatorLoadOuts: IOperatorConfigClient[];
     KahlLoadOuts: IOperatorConfigClient[];
 
-    DuviriInfo: IDuviriInfo;
+    DuviriInfo?: IDuviriInfo;
     Mailbox?: IMailboxClient;
     SubscribedToEmails: number;
     Created: IMongoDate;