diff --git a/BTCPayServer/Payments/Bitcoin/BitcoinLikePaymentHandler.cs b/BTCPayServer/Payments/Bitcoin/BitcoinLikePaymentHandler.cs
index bef7640b4..7a90d7e8c 100644
--- a/BTCPayServer/Payments/Bitcoin/BitcoinLikePaymentHandler.cs
+++ b/BTCPayServer/Payments/Bitcoin/BitcoinLikePaymentHandler.cs
@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;