diff --git a/src/kernel.cpp b/src/kernel.cpp
index df78f91fc4aa3..8d295898a774f 100644
--- a/src/kernel.cpp
+++ b/src/kernel.cpp
@@ -412,13 +412,14 @@ bool CheckProofOfStake(const CBlock block, uint256& hashProofOfStake, std::uniqu
         stake = std::unique_ptr<CStakeInput>(pivInput);
     }
 
-    CBlockIndex* pindex = stake->GetIndexFrom();
-    if (!pindex)
-        return error("%s: Failed to find the block index", __func__);
+    //Get the
+    CBlockIndex* pindexfrom = stake->GetIndexFrom();
+    if (!pindexfrom)
+        return error("%s: Failed to find the block index for stake origin", __func__);
 
     // Read block header
-    CBlock blockprev;
-    if (!ReadBlockFromDisk(blockprev, pindex->GetBlockPos()))
+    CBlock blockfrom;
+    if (!ReadBlockFromDisk(blockfrom, pindexfrom->GetBlockPos()))
         return error("CheckProofOfStake(): INFO: failed to find block");
 
     uint256 bnTargetPerCoinDay;
@@ -428,8 +429,14 @@ bool CheckProofOfStake(const CBlock block, uint256& hashProofOfStake, std::uniqu
     if (!stake->GetModifier(nStakeModifier))
         return error("%s failed to get modifier for stake input\n", __func__);
 
-    unsigned int nBlockFromTime = blockprev.nTime;
+    unsigned int nBlockFromTime = blockfrom.nTime;
     unsigned int nTxTime = block.nTime;
+    if (!txin.IsZerocoinSpend()) { //Equivalent for zPIV is checked above in ContextualCheckZerocoinStake()
+        if (nTxTime < nBlockFromTime) // Transaction timestamp nTxTime
+            return error("CheckStakeKernelHash() : nTime violation - nBlockFromTime=%d nTimeTx=%d", nBlockFromTime, nTxTime);
+        if (nBlockFromTime + nStakeMinAge > nTxTime) // Min age requirement
+            return error("CheckStakeKernelHash() : min age violation - nBlockFromTime=%d nStakeMinAge=%d nTimeTx=%d", nBlockFromTime, nStakeMinAge, nTxTime);
+    }
     if (!CheckStake(stake->GetUniqueness(), stake->GetValue(), nStakeModifier, bnTargetPerCoinDay, nBlockFromTime,
                     nTxTime, hashProofOfStake)) {
         return error("CheckProofOfStake() : INFO: check kernel failed on coinstake %s, hashProof=%s \n",
diff --git a/src/kernel.h b/src/kernel.h
index 4991955b72368..620ac94fd7ea3 100644
--- a/src/kernel.h
+++ b/src/kernel.h
@@ -29,7 +29,7 @@ bool Stake(CStakeInput* stakeInput, unsigned int nBits, unsigned int nTimeBlockF
 
 // Check kernel hash target and coinstake signature
 // Sets hashProofOfStake on success return
-bool CheckProofOfStake(const CBlock block, uint256& hashProofOfStake, std::unique_ptr<CStakeInput>& stake);
+bool CheckProofOfStake(const CBlock block, uint256& hashProofOfStake, std::unique_ptr<CStakeInput>& stake, int nPreviousBlockHeight);
 
 // Check whether the coinstake timestamp meets protocol
 bool CheckCoinStakeTimestamp(int64_t nTimeBlock, int64_t nTimeTx);