diff --git a/popcorn/Assets/MyGame/Scenes/marketing/Scripts/ProductManagement.cs b/popcorn/Assets/MyGame/Scenes/marketing/Scripts/ProductManagement.cs
index dc1e5438..ab3a1729 100644
--- a/popcorn/Assets/MyGame/Scenes/marketing/Scripts/ProductManagement.cs
+++ b/popcorn/Assets/MyGame/Scenes/marketing/Scripts/ProductManagement.cs
@@ -267,9 +267,11 @@ public class ProductManagement : MonoBehaviour
     private void Tasting(int tankNumber)
     {
         state.Value = ManagementState.None;
-        GameDataManager.GameData.StorageTanks[tankNumber - 1].ClearStock();
-        GameDataManager.SaveGameData();
         // 試食フラグに終了時間を設定
+        var tank = GameDataManager.GameData.StorageTanks[tankNumber - 1];
+        GameDataManager.GameData.AddTastingCustomerCount(tank.Stock);
+        tank.ClearStock();
+        GameDataManager.SaveGameData();
     }
 
     private void OnDestroy()