diff --git a/BTCPayServer/BTCPayNetworkProvider.Monacoin.cs b/BTCPayServer/BTCPayNetworkProvider.Monacoin.cs
index 07798cd6..cb491f41 100644
--- a/BTCPayServer/BTCPayNetworkProvider.Monacoin.cs
+++ b/BTCPayServer/BTCPayNetworkProvider.Monacoin.cs
@@ -24,7 +24,7 @@ public void InitMonacoin()
                 DefaultRateRules = new[] 
                 {
                                 "MONA_X = MONA_BTC * BTC_X",
-                                "MONA_BTC = zaif(MONA_BTC)"
+                                "MONA_BTC = bittrex(MONA_BTC)"
                 },
                 CryptoImagePath = "imlegacy/monacoin.png",
                 LightningImagePath = "imlegacy/mona-lightning.svg",