diff --git a/src/MiningCore/Blockchain/Bitcoin/BitcoinPoolBase.cs b/src/MiningCore/Blockchain/Bitcoin/BitcoinPoolBase.cs
index e90a5ffe3..ee1a85d91 100644
--- a/src/MiningCore/Blockchain/Bitcoin/BitcoinPoolBase.cs
+++ b/src/MiningCore/Blockchain/Bitcoin/BitcoinPoolBase.cs
@@ -355,7 +355,7 @@ public override double HashrateFromShares(double shares, double interval)
 
             // OW: tmp hotfix
             if (poolConfig.Coin.Type == CoinType.MONA || poolConfig.Coin.Type == CoinType.VTC || poolConfig.Coin.Type == CoinType.STAK)
-                result *= 2;
+                result *= 4;
 
           return result;
         }