diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index f6c387d7..68f56b7d 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -50,13 +50,11 @@ public:
         consensus.nPowMaxAdjustUp = 16; // 16% adjustment up
         consensus.nPowTargetSpacing = 2.5 * 60;
         consensus.fPowAllowMinDifficultyBlocks = false;
-        /**
-         * The message start string should be awesome! ⓩ❤
-         */
-        pchMessageStart[0] = 0x24;
-        pchMessageStart[1] = 0xe9;
-        pchMessageStart[2] = 0x27;
-        pchMessageStart[3] = 0x64;
+
+        pchMessageStart[0] = 0xa8;
+        pchMessageStart[1] = 0xea;
+        pchMessageStart[2] = 0xb2;
+        pchMessageStart[3] = 0xed;
         vAlertPubKey = ParseHex("04f2cd746e629ffd320a81287474c98c2ad15d15b0a210b0144edcd8f3e1301c6311fd751fa34ba17d88090374cfec7cd9aaca55a5a0c4456511acc01b922005de");
         nDefaultPort = 8033;
         nMaxTipAge = 24 * 60 * 60;
@@ -212,10 +210,10 @@ public:
         consensus.powLimit = uint256S("07ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
         assert(maxUint/UintToArith256(consensus.powLimit) >= consensus.nPowAveragingWindow);
         consensus.fPowAllowMinDifficultyBlocks = true;
-        pchMessageStart[0] = 0xfa;
-        pchMessageStart[1] = 0x1a;
-        pchMessageStart[2] = 0xf9;
-        pchMessageStart[3] = 0xbf;
+        pchMessageStart[0] = 0xf6;
+        pchMessageStart[1] = 0x1b;
+        pchMessageStart[2] = 0xf6;
+        pchMessageStart[3] = 0xd6;
         vAlertPubKey = ParseHex("048679fb891b15d0cada9692047fd0ae26ad8bfb83fabddbb50334ee5bc0683294deb410be20513c5af6e7b9cec717ade82b27080ee6ef9a245c36a795ab044bb3");
         nDefaultPort = 18233;
         nPruneAfterHeight = 1000;
diff --git a/src/chainparamsbase.cpp b/src/chainparamsbase.cpp
index e4874f05..e6c07a16 100644
--- a/src/chainparamsbase.cpp
+++ b/src/chainparamsbase.cpp
@@ -31,7 +31,7 @@ public:
     CBaseTestNetParams()
     {
         nRPCPort = 18023;
-        strDataDir = "testnet3";
+        strDataDir = "testnet4";
     }
 };
 static CBaseTestNetParams testNetParams;