diff --git a/KfChatDotNetBot/Commands/Kasino/BlackjackCommand.cs b/KfChatDotNetBot/Commands/Kasino/BlackjackCommand.cs
index 9b8c68b..417673b 100644
--- a/KfChatDotNetBot/Commands/Kasino/BlackjackCommand.cs
+++ b/KfChatDotNetBot/Commands/Kasino/BlackjackCommand.cs
@@ -358,7 +358,8 @@ public class BlackjackCommand : ICommand
         
         // Double the wager
         var additionalWager = wager.WagerAmount;
-        gambler.Balance -= additionalWager;
+        await Money.ModifyBalanceAsync(gambler.Id, -additionalWager, TransactionSourceEventType.Gambling,
+            $"Double down for {wager.Id}", ct: ctx);
         wager.WagerAmount *= 2;
         wager.WagerEffect -= additionalWager; // Subtract the additional wager
         gameState.HasDoubledDown = true;