diff --git a/src/helpers/CardDropHelperMetadata.ts b/src/helpers/CardDropHelperMetadata.ts
index 80f3d6b..8ca9e51 100644
--- a/src/helpers/CardDropHelperMetadata.ts
+++ b/src/helpers/CardDropHelperMetadata.ts
@@ -97,6 +97,8 @@ export default class CardDropHelperMetadata {
             .filter(x => x.type == rarity)
             .filter(x => !claimedCards.find(y => y.CardNumber == x.id));
 
+        if (!allCards) return undefined;
+
         const randomCardIndex = Math.floor(Math.random() * allCards.length);
 
         const card = allCards[randomCardIndex];