diff --git a/GenerateQuestFile/Program.cs b/GenerateQuestFile/Program.cs
index a05cf47..85652af 100644
--- a/GenerateQuestFile/Program.cs
+++ b/GenerateQuestFile/Program.cs
@@ -165,7 +165,16 @@ namespace GenerateQuestFile
 
         private static void AddMissingFailRewards(Quest originalQuest, KeyValuePair<string, Quest> quest)
         {
-            quest.Value.rewards.Fail.AddRange(originalQuest.rewards.Fail);
+            foreach (var originalFailReward in originalQuest.rewards.Fail)
+            {
+                // already has a fail reward of same type and target, skip
+                if (quest.Value.rewards.Fail.Any(x => x.type == originalFailReward.type && x.target == originalFailReward.target))
+                {
+                    continue;
+                }
+
+                quest.Value.rewards.Fail.Add(originalFailReward);
+            }
         }
 
         /// <summary>