diff --git a/src/services/missionInventoryUpdateService.ts b/src/services/missionInventoryUpdateService.ts
index eef2bad4..aab12457 100644
--- a/src/services/missionInventoryUpdateService.ts
+++ b/src/services/missionInventoryUpdateService.ts
@@ -722,13 +722,17 @@ export const addFixedLevelRewards = (
         }
     }
     if (rewards.droptable) {
-        logger.debug(`rolling ${rewards.droptable} for level key rewards`);
-        const reward = getRandomRewardByChance(ExportRewards[rewards.droptable][0]);
-        if (reward) {
-            MissionRewards.push({
-                StoreItem: reward.type,
-                ItemCount: reward.itemCount
-            });
+        if (rewards.droptable in ExportRewards) {
+            logger.debug(`rolling ${rewards.droptable} for level key rewards`);
+            const reward = getRandomRewardByChance(ExportRewards[rewards.droptable][0]);
+            if (reward) {
+                MissionRewards.push({
+                    StoreItem: reward.type,
+                    ItemCount: reward.itemCount
+                });
+            }
+        } else {
+            logger.error(`unknown droptable ${rewards.droptable}`);
         }
     }
     return missionBonusCredits;