diff --git a/lib/coins/xmr.js b/lib/coins/xmr.js
index 5365ce1..44259b6 100644
--- a/lib/coins/xmr.js
+++ b/lib/coins/xmr.js
@@ -33,6 +33,8 @@ function Coin(data){
         this.intPrefix = 54;
     }
 
+    this.niceHashDiff = 90000;
+
     this.getBlockHeaderByID = function(blockId, callback){
         global.support.rpcDaemon('getblockheaderbyheight', {"height": blockId}, function (body) {
             if (body.hasOwnProperty('result')){
diff --git a/lib/pool.js b/lib/pool.js
index 246b84b..b816ed4 100644
--- a/lib/pool.js
+++ b/lib/pool.js
@@ -195,7 +195,7 @@ function Miner(id, login, pass, ipAddress, startingDiff, messageSender, protoVer
     let pass_split = pass.split(":");
     this.error = "";
     this.identifier = pass_split[0];
-    if (agent.contains('MinerGate')){
+    if (agent.includes('MinerGate')){
         this.identifier = "MinerGate";
     }
     this.paymentID = null;
@@ -223,6 +223,10 @@ function Miner(id, login, pass, ipAddress, startingDiff, messageSender, protoVer
     this.fixed_diff = false;
     this.difficulty = startingDiff;
     this.connectTime = Date.now();
+    if (agent.includes('NiceHash')){
+        this.fixed_diff = true;
+        this.difficulty = global.coinFuncs.niceHashDiff;
+    }
     if (diffSplit.length === 2) {
         this.fixed_diff = true;
         this.difficulty = Number(diffSplit[1]);