diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 93d0e3cc32..39fd015bbb 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -111,7 +111,7 @@ class CMainParams : public CChainParams {
         consensus.nProtocolV1RetargetingFixedTime = 1395631999;
         consensus.nProtocolV2Time = 1407053625;
         consensus.nProtocolV3Time = 1444028400;
-        consensus.nProtocolV3_1Time = 4102437600;
+        consensus.nProtocolV3_1Time = 1713938400;
         consensus.nLastPOWBlock = 10000;
         consensus.nStakeTimestampMask = 0xf; // 15
         consensus.nCoinbaseMaturity = 500;
diff --git a/src/consensus/params.h b/src/consensus/params.h
index 5363353026..ef27a8dfd9 100644
--- a/src/consensus/params.h
+++ b/src/consensus/params.h
@@ -70,7 +70,7 @@ struct Params {
     bool IsProtocolV1RetargetingFixed(int64_t nTime) const { return nTime > nProtocolV1RetargetingFixedTime && nTime != 1395631999; }
     bool IsProtocolV2(int64_t nTime) const { return nTime > nProtocolV2Time && nTime != 1407053678; }
     bool IsProtocolV3(int64_t nTime) const { return nTime > nProtocolV3Time && nTime != 1444028400; }
-    bool IsProtocolV3_1(int64_t nTime) const { return nTime > nProtocolV3_1Time && nTime != 1667779200; }
+    bool IsProtocolV3_1(int64_t nTime) const { return nTime > nProtocolV3_1Time && nTime != 1713938400; }
     unsigned int GetTargetSpacing(int nHeight) { return IsProtocolV2(nHeight) ? 64 : 60; }
     int nLastPOWBlock;
     int nStakeTimestampMask;