diff --git a/src/services/inventoryService.ts b/src/services/inventoryService.ts
index 9e89dcfe..10490b3c 100644
--- a/src/services/inventoryService.ts
+++ b/src/services/inventoryService.ts
@@ -821,7 +821,7 @@ const addSentinel = (
 
     const features = premiumPurchase ? EquipmentFeatures.DOUBLE_CAPACITY : undefined;
     const sentinelIndex =
-        inventory.Sentinels.push({ ItemType: sentinelName, Configs: configs, XP: 0, Features: features }) - 1;
+        inventory.Sentinels.push({ ItemType: sentinelName, Configs: configs, XP: 0, Features: features, IsNew: true }) - 1;
     inventoryChanges.Sentinels ??= [];
     inventoryChanges.Sentinels.push(inventory.Sentinels[sentinelIndex].toJSON<IEquipmentClient>());