diff --git a/popcorn/Assets/MyGame/Scenes/MiniGame/Scripts/ResultManager.cs b/popcorn/Assets/MyGame/Scenes/MiniGame/Scripts/ResultManager.cs
index 0e64ce2c..3f44f1fc 100644
--- a/popcorn/Assets/MyGame/Scenes/MiniGame/Scripts/ResultManager.cs
+++ b/popcorn/Assets/MyGame/Scenes/MiniGame/Scripts/ResultManager.cs
@@ -201,7 +201,7 @@ namespace MyGame.Scenes.MiniGame.Scripts
              * 進捗を0からスタートさせる
              */
             var prevScore = 0;
-            if (basePlaceScore < prevPlaceScore && prevPlaceScore < progressList[0].needScore)
+            if (progressList.Count > 0 && basePlaceScore < prevPlaceScore && prevPlaceScore < progressList[0].needScore)
             {
                 prevScore = prevPlaceScore - basePlaceScore;
             }