diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 17ce1ebd5..1cb550ff1 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -418,8 +418,7 @@ public:
         consensus.vUpgrades[Consensus::UPGRADE_CANOPY].hashActivationBlock =
             uint256S("01a4d7c6aada30c87762c1bf33fff5df7266b1fd7616bfdb5227fa59bd79e7a2");
         consensus.vUpgrades[Consensus::UPGRADE_NU5].nProtocolVersion = 170014;
-        consensus.vUpgrades[Consensus::UPGRADE_NU5].nActivationHeight =
-            Consensus::NetworkUpgrade::NO_ACTIVATION_HEIGHT;
+        consensus.vUpgrades[Consensus::UPGRADE_NU5].nActivationHeight = 1590000;
         consensus.vUpgrades[Consensus::UPGRADE_ZFUTURE].nProtocolVersion = 0x7FFFFFFF;
         consensus.vUpgrades[Consensus::UPGRADE_ZFUTURE].nActivationHeight =
             Consensus::NetworkUpgrade::NO_ACTIVATION_HEIGHT;
diff --git a/src/version.h b/src/version.h
index d66ae7a56..4c6fdb6d8 100644
--- a/src/version.h
+++ b/src/version.h
@@ -9,7 +9,7 @@
  * network protocol versioning
  */
 
-static const int PROTOCOL_VERSION = 170013;
+static const int PROTOCOL_VERSION = 170014;
 
 //! initial proto version, to be increased after version/verack negotiation
 static const int INIT_PROTO_VERSION = 209;