diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 623ce0e79..611ca5f48 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -205,6 +205,11 @@ public:
         consensus.BIP34Hash = uint256();
         consensus.fPowAllowMinDifficultyBlocks = true;
         consensus.fPowNoRetargeting = false;
+        consensus.nRuleChangeActivationThreshold = 1512; // 75% for testchains
+        consensus.nMinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing
+        consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
+        consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = 1199145601; // January 1, 2008
+        consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = 1230767999; // December 31, 2008
 
         consensus.nProtocolV1RetargetingFixedTime = 1395631999;
         consensus.nProtocolV2Time = 1407053625;