diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index ee3da4e523..4fa9e7927a 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -165,6 +165,13 @@ public:
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0001].nWindowSize = 4032;
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0001].nThreshold = 3226; // 80% of 4032
 
+        // Deployment of BIP147
+        consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].bit = 2;
+        consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nStartTime = 1519952400; // Feb 30th, 2018
+        consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nTimeout = 1551488400; // Feb 30th, 2019
+        consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nWindowSize = 4032;
+        consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nThreshold = 3226; // 80% of 4032
+
         // The best chain should have at least this much work.
         consensus.nMinimumChainWork = uint256S("0x000000000000000000000000000000000000000000000100a308553b4863b755"); // 782700
 
@@ -307,6 +314,13 @@ public:
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0001].nWindowSize = 100;
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0001].nThreshold = 50; // 50% of 100
 
+        // Deployment of BIP147
+        consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].bit = 2;
+        consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nStartTime = 1517792400; // Feb 5th, 2018
+        consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nTimeout = 1549328400; // Feb 5th, 2019
+        consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nWindowSize = 100;
+        consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nThreshold = 59; // 50% of 100
+
         // The best chain should have at least this much work.
         consensus.nMinimumChainWork = uint256S("0x000000000000000000000000000000000000000000000000000924e924a21715"); // 37900
 
@@ -426,6 +440,13 @@ public:
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0001].nWindowSize = 100;
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0001].nThreshold = 50; // 50% of 100
 
+        // Deployment of BIP147
+        consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].bit = 2;
+        consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nStartTime = 1517792400; // Feb 5th, 2018
+        consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nTimeout = 1549328400; // Feb 5th, 2019
+        consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nWindowSize = 100;
+        consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nThreshold = 59; // 50% of 100
+
         // The best chain should have at least this much work.
         consensus.nMinimumChainWork = uint256S("0x000000000000000000000000000000000000000000000000000000000000000");
 
@@ -539,6 +560,9 @@ public:
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0001].bit = 1;
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0001].nStartTime = 0;
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0001].nTimeout = 999999999999ULL;
+        consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].bit = 2;
+        consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nStartTime = 0;
+        consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nTimeout = 999999999999ULL;
 
         // The best chain should have at least this much work.
         consensus.nMinimumChainWork = uint256S("0x00");
diff --git a/src/consensus/params.h b/src/consensus/params.h
index 741b1e76e0..0878becc27 100644
--- a/src/consensus/params.h
+++ b/src/consensus/params.h
@@ -17,6 +17,7 @@ enum DeploymentPos
     DEPLOYMENT_TESTDUMMY,
     DEPLOYMENT_CSV, // Deployment of BIP68, BIP112, and BIP113.
     DEPLOYMENT_DIP0001, // Deployment of DIP0001 and lower transaction fees.
+    DEPLOYMENT_BIP147, // Deployment of BIP147 (NULLDUMMY)
     // NOTE: Also add new deployments to VersionBitsDeploymentInfo in versionbits.cpp
     MAX_VERSION_BITS_DEPLOYMENTS
 };
diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
index 88685fc977..91e0fc77e7 100644
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -1270,6 +1270,7 @@ UniValue getblockchaininfo(const JSONRPCRequest& request)
     softforks.push_back(SoftForkDesc("bip65", 4, tip, consensusParams));
     BIP9SoftForkDescPushBack(bip9_softforks, "csv", consensusParams, Consensus::DEPLOYMENT_CSV);
     BIP9SoftForkDescPushBack(bip9_softforks, "dip0001", consensusParams, Consensus::DEPLOYMENT_DIP0001);
+    BIP9SoftForkDescPushBack(bip9_softforks, "bip147", consensusParams, Consensus::DEPLOYMENT_BIP147);
     obj.push_back(Pair("softforks",             softforks));
     obj.push_back(Pair("bip9_softforks", bip9_softforks));
 
diff --git a/src/validation.cpp b/src/validation.cpp
index fb55dc239a..6453079eab 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -2131,6 +2131,10 @@ static bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockInd
         nLockTimeFlags |= LOCKTIME_VERIFY_SEQUENCE;
     }
 
+    if (VersionBitsState(pindex->pprev, chainparams.GetConsensus(), Consensus::DEPLOYMENT_BIP147, versionbitscache) == THRESHOLD_ACTIVE) {
+        flags |= SCRIPT_VERIFY_NULLDUMMY;
+    }
+
     int64_t nTime2 = GetTimeMicros(); nTimeForks += nTime2 - nTime1;
     LogPrint("bench", "    - Fork checks: %.2fms [%.2fs]\n", 0.001 * (nTime2 - nTime1), nTimeForks * 0.000001);
 
diff --git a/src/versionbits.cpp b/src/versionbits.cpp
index b746e7178c..fbbcdb4278 100644
--- a/src/versionbits.cpp
+++ b/src/versionbits.cpp
@@ -21,6 +21,11 @@ const struct BIP9DeploymentInfo VersionBitsDeploymentInfo[Consensus::MAX_VERSION
         /*.name =*/ "dip0001",
         /*.gbt_force =*/ true,
         /*.check_mn_protocol =*/ true,
+    },
+    {
+        /*.name =*/ "bip147",
+        /*.gbt_force =*/ true,
+        /*.check_mn_protocol =*/ false,
     }
 };