diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index a0c73dc37..f11d53460 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -95,10 +95,13 @@ public:
         consensus.nPowMaxAdjustDown = 32; // 32% adjustment down
         consensus.nPowMaxAdjustUp = 16; // 16% adjustment up
         consensus.nPowTargetSpacing = 2.5 * 60;
+        consensus.vUpgrades[Consensus::BASE_SPROUT].nProtocolVersion = 170002;
         consensus.vUpgrades[Consensus::BASE_SPROUT].nActivationHeight =
             Consensus::NetworkUpgrade::ALWAYS_ACTIVE;
+        consensus.vUpgrades[Consensus::UPGRADE_TESTDUMMY].nProtocolVersion = 170002;
         consensus.vUpgrades[Consensus::UPGRADE_TESTDUMMY].nActivationHeight =
             Consensus::NetworkUpgrade::NO_ACTIVATION_HEIGHT;
+        consensus.vUpgrades[Consensus::UPGRADE_OVERWINTER].nProtocolVersion = 170004;
         consensus.vUpgrades[Consensus::UPGRADE_OVERWINTER].nActivationHeight =
             Consensus::NetworkUpgrade::NO_ACTIVATION_HEIGHT;
 
@@ -253,10 +256,13 @@ public:
         consensus.nPowMaxAdjustDown = 32; // 32% adjustment down
         consensus.nPowMaxAdjustUp = 16; // 16% adjustment up
         consensus.nPowTargetSpacing = 2.5 * 60;
+        consensus.vUpgrades[Consensus::BASE_SPROUT].nProtocolVersion = 170002;
         consensus.vUpgrades[Consensus::BASE_SPROUT].nActivationHeight =
             Consensus::NetworkUpgrade::ALWAYS_ACTIVE;
+        consensus.vUpgrades[Consensus::UPGRADE_TESTDUMMY].nProtocolVersion = 170002;
         consensus.vUpgrades[Consensus::UPGRADE_TESTDUMMY].nActivationHeight =
             Consensus::NetworkUpgrade::NO_ACTIVATION_HEIGHT;
+        consensus.vUpgrades[Consensus::UPGRADE_OVERWINTER].nProtocolVersion = 170003;
         consensus.vUpgrades[Consensus::UPGRADE_OVERWINTER].nActivationHeight =
             Consensus::NetworkUpgrade::NO_ACTIVATION_HEIGHT;
 
@@ -360,10 +366,13 @@ public:
         consensus.nPowMaxAdjustDown = 0; // Turn off adjustment down
         consensus.nPowMaxAdjustUp = 0; // Turn off adjustment up
         consensus.nPowTargetSpacing = 2.5 * 60;
+        consensus.vUpgrades[Consensus::BASE_SPROUT].nProtocolVersion = 170002;
         consensus.vUpgrades[Consensus::BASE_SPROUT].nActivationHeight =
             Consensus::NetworkUpgrade::ALWAYS_ACTIVE;
+        consensus.vUpgrades[Consensus::UPGRADE_TESTDUMMY].nProtocolVersion = 170002;
         consensus.vUpgrades[Consensus::UPGRADE_TESTDUMMY].nActivationHeight =
             Consensus::NetworkUpgrade::NO_ACTIVATION_HEIGHT;
+        consensus.vUpgrades[Consensus::UPGRADE_OVERWINTER].nProtocolVersion = 170003;
         consensus.vUpgrades[Consensus::UPGRADE_OVERWINTER].nActivationHeight =
             Consensus::NetworkUpgrade::NO_ACTIVATION_HEIGHT;
 
diff --git a/src/consensus/params.h b/src/consensus/params.h
index 53f8609d5..11504dbc8 100644
--- a/src/consensus/params.h
+++ b/src/consensus/params.h
@@ -28,6 +28,11 @@ enum UpgradeIndex {
 };
 
 struct NetworkUpgrade {
+    /**
+     * The first protocol version which will understand the new consensus rules
+     */
+    int nProtocolVersion;
+
     /**
      * Height of the first block for which the new consensus rules will be active
      */