diff --git a/src/chain.cpp b/src/chain.cpp
index dc40bd335..48fc1edac 100644
--- a/src/chain.cpp
+++ b/src/chain.cpp
@@ -181,5 +181,5 @@ bool CBlockIndex::IsProofOfStake() const
 }
 
 bool CBlockIndex::IsProofOfStakePeriod() const {
-    return IsBitcoinX() && nHeight > 528399;
+    return IsBitcoinX() && nHeight > 528750;
 }
\ No newline at end of file
diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 4bdfe477b..e4db851d1 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -121,8 +121,8 @@ class CMainParams : public CChainParams {
         consensus.premineAddress = "18wFZB62chDhYdapBnVEXX4y9hUvWs8yRu";
         consensus.premineValue = 2000000 * COIN;
 
-        consensus.posHeight = 528399;
-        consensus.fidShiftHeight = 528399;
+        consensus.posHeight = 528750;
+        consensus.fidShiftHeight = 528750;
 
         /**
          * The message start string is designed to be unlikely to occur in normal data.