diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 4eebef73b..436b37355 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -184,8 +184,8 @@ class CTestNetParams : public CMainParams {
 
         consensus.nPowDifficultyBombHeight = 600000;
 
-        consensus.nUnmovedBurnHeight = 475000;
-        consensus.zResetHeight = 450500;
+        consensus.nUnmovedBurnHeight = 480000;
+        consensus.zResetHeight = 455500;
 
         pchMessageStart[0] = 0xf6;
         pchMessageStart[1] = 0x1b;
@@ -272,9 +272,8 @@ class CRegTestParams : public CTestNetParams {
         consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = 999999999999ULL;
 
         consensus.nPowDifficultyBombHeight = 600000;
-
-        consensus.nUnmovedBurnHeight = 500;
-        consensus.zResetHeight = 300;
+        consensus.nUnmovedBurnHeight = 480000;
+        consensus.zResetHeight = 455500;
 
         pchMessageStart[0] = 0xaa;
         pchMessageStart[1] = 0xe8;