diff --git a/CJBCheatsMenu/Framework/Cheats/PlayerAndTools/MoveSpeedCheat.cs b/CJBCheatsMenu/Framework/Cheats/PlayerAndTools/MoveSpeedCheat.cs
index 635ec963..e3c03aca 100644
--- a/CJBCheatsMenu/Framework/Cheats/PlayerAndTools/MoveSpeedCheat.cs
+++ b/CJBCheatsMenu/Framework/Cheats/PlayerAndTools/MoveSpeedCheat.cs
@@ -4,7 +4,7 @@
 using StardewModdingAPI.Events;
 using StardewValley;
 using StardewValley.Buffs;
-
+ 
 namespace CJBCheatsMenu.Framework.Cheats.PlayerAndTools;
 
 /// <summary>A cheat which increases the player movement speed.</summary>
@@ -66,6 +66,9 @@ public override void OnUpdated(CheatContext context, UpdateTickedEventArgs e)
         // add or extend buff
         if (!Game1.player.buffs.AppliedBuffs.TryGetValue(MoveSpeedCheat.BuffId, out Buff? buff) || buff.millisecondsDuration <= MoveSpeedCheat.BuffMinDurationBeforeRenew)
         {
+            // FIX: Xóa sạch buff cũ trước khi nạp buff mới để tránh lỗi cộng dồn (stacking) hiệu ứng của Stardew Valley 1.6
+            Game1.player.buffs.Remove(MoveSpeedCheat.BuffId);
+
             Game1.player.applyBuff(
                 new Buff(
                     id: MoveSpeedCheat.BuffId,