diff --git a/popcorn/Assets/MyGame/Scenes/Main/Scripts/AutoCookCompleteView.cs b/popcorn/Assets/MyGame/Scenes/Main/Scripts/AutoCookCompleteView.cs
index d23d7ff3..ded61967 100644
--- a/popcorn/Assets/MyGame/Scenes/Main/Scripts/AutoCookCompleteView.cs
+++ b/popcorn/Assets/MyGame/Scenes/Main/Scripts/AutoCookCompleteView.cs
@@ -58,10 +58,16 @@ namespace MyGame.Scenes.Main.Scripts
                 }
                 else
                 {
-                    if (gameData.StorageTanks.Exists(data => data.FlavorId == productData.id && data.Capacity - data.Stock >= productData.volume))
+                    // 空以外の補充可能な空きがあるタンクを優先して判定する
+                    if (gameData.StorageTanks.Exists(data => !data.IsEmpty && data.FlavorId == productData.id && data.Capacity - data.Stock >= productData.volume))
                     {
                         continue;
                     }
+                    if (emptyTankCount > 0)
+                    {
+                        emptyTankCount--;
+                        continue;
+                    }
                     discardProductList.Add(productData);
                 }
             }