diff --git a/src/kernel/chainparams.cpp b/src/kernel/chainparams.cpp
index 9783472c76..d8bb004d74 100644
--- a/src/kernel/chainparams.cpp
+++ b/src/kernel/chainparams.cpp
@@ -99,8 +99,8 @@ class CMainParams : public CChainParams {
         consensus.fPowAllowMinDifficultyBlocks = false;
         consensus.fPowNoRetargeting = false;
         consensus.fPoSNoRetargeting = false;
-        consensus.nRuleChangeActivationThreshold = 1815; // 90% of 2016
-        consensus.nMinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing
+        consensus.nRuleChangeActivationThreshold = 12000; // 80% of 15000
+        consensus.nMinerConfirmationWindow = 15000; // nTargetTimespan / nTargetSpacing * 1000
         consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
         consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
         consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
@@ -220,8 +220,8 @@ class CTestNetParams : public CChainParams {
         consensus.fPowAllowMinDifficultyBlocks = true;
         consensus.fPowNoRetargeting = false;
         consensus.fPoSNoRetargeting = false;
-        consensus.nRuleChangeActivationThreshold = 1512; // 75% for testchains
-        consensus.nMinerConfirmationWindow = 2016; // nTargetTimespan / nTargetSpacing
+        consensus.nRuleChangeActivationThreshold = 11250; // 75% for testchains
+        consensus.nMinerConfirmationWindow = 15000; // nTargetTimespan / nTargetSpacing * 1000
         consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
         consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
         consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
@@ -369,8 +369,8 @@ class SigNetParams : public CChainParams {
         consensus.fPowAllowMinDifficultyBlocks = false;
         consensus.fPowNoRetargeting = false;
         consensus.fPoSNoRetargeting = false;
-        consensus.nRuleChangeActivationThreshold = 1815; // 90% of 2016
-        consensus.nMinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing
+        consensus.nRuleChangeActivationThreshold = 12000; // 80% of 15000
+        consensus.nMinerConfirmationWindow = 15000; // nTargetTimespan / nTargetSpacing * 1000
         consensus.MinBIP9WarningHeight = 0;
         consensus.powLimit = uint256S("0000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
         consensus.posLimit = uint256S("00000fffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
@@ -451,8 +451,8 @@ class CRegTestParams : public CChainParams
         consensus.fPowAllowMinDifficultyBlocks = true;
         consensus.fPowNoRetargeting = true;
         consensus.fPoSNoRetargeting = true;
-        consensus.nRuleChangeActivationThreshold = 108;// 75% for regtest
-        consensus.nMinerConfirmationWindow = 144; // Faster than normal for regtest (144 instead of 2016)
+        consensus.nRuleChangeActivationThreshold = 120; // 80% for regtest
+        consensus.nMinerConfirmationWindow = 150; // Faster than normal for regtest (150 instead of 15000)
         consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
         consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = 0;
         consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;