diff --git a/src/main.cpp b/src/main.cpp
index e1c36c802..028b72623 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1616,7 +1616,7 @@ bool ReadBlockFromDisk(int32_t height,CBlock& block, const CDiskBlockPos& pos)
     }
     // Check the header
     komodo_block2pubkey33(pubkey33,(CBlock *)&block);
-    if (!(CheckEquihashSolution(&block, Params()) && CheckProofOfWork(height,pubkey33,block.GetHash(), block.nBits, Params().GetConsensus())))
+    if (!(CheckEquihashSolution(&block, Params()) && CheckProofOfWork(height,pubkey33,block.GetHash(), block.nBits, Params().GetConsensus(),block.nTime)))
     {
         int32_t i; for (i=0; i<33; i++)
             fprintf(stderr,"%02x",pubkey33[i]);
@@ -3514,7 +3514,7 @@ bool CheckBlockHeader(int32_t height,CBlockIndex *pindex, const CBlockHeader& bl
     
     // Check proof of work matches claimed amount
     /*komodo_index2pubkey33(pubkey33,pindex,height);
-     if ( fCheckPOW && !CheckProofOfWork(height,pubkey33,blockhdr.GetHash(), blockhdr.nBits, Params().GetConsensus()) )
+     if ( fCheckPOW && !CheckProofOfWork(height,pubkey33,blockhdr.GetHash(), blockhdr.nBits, Params().GetConsensus(),blockhdr.nTime) )
      return state.DoS(50, error("CheckBlockHeader(): proof of work failed"),REJECT_INVALID, "high-hash");*/
     return true;
 }
@@ -3571,7 +3571,7 @@ bool CheckBlock(int32_t height,CBlockIndex *pindex,const CBlock& block, CValidat
     if ( fCheckPOW && !CheckEquihashSolution(&block, Params()) )
         return state.DoS(100, error("CheckBlockHeader(): Equihash solution invalid"),REJECT_INVALID, "invalid-solution");
     komodo_block2pubkey33(pubkey33,(CBlock *)&block);
-    if ( fCheckPOW && !CheckProofOfWork(height,pubkey33,block.GetHash(), block.nBits, Params().GetConsensus()) )
+    if ( fCheckPOW && !CheckProofOfWork(height,pubkey33,block.GetHash(), block.nBits, Params().GetConsensus(),block.nTime) )
         return state.DoS(1, error("CheckBlock(): proof of work failed"),REJECT_INVALID, "high-hash");
     // Check the merkle root.
     if (fCheckMerkleRoot) {
diff --git a/src/miner.cpp b/src/miner.cpp
index 93f19818f..d60dea6a7 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -804,7 +804,7 @@ void static BitcoinMiner()
             //
             // Search
             //
-            uint8_t pubkeys[66][33]; int mids[256],gpucount,nonzpkeys,i,j,externalflag; uint32_t savebits; int64_t nStart = GetTime();
+            uint8_t pubkeys[66][33]; uint32_t blocktimes[66];int mids[256],gpucount,nonzpkeys,i,j,externalflag; uint32_t savebits; int64_t nStart = GetTime();
             savebits = pblock->nBits;
             HASHTarget = arith_uint256().SetCompact(pblock->nBits);
             roundrobin_delay = ROUNDROBIN_DELAY;
@@ -813,7 +813,7 @@ void static BitcoinMiner()
                 j = 65;
                 if ( (Mining_height >= 235300 && Mining_height < 236000) || (Mining_height % KOMODO_ELECTION_GAP) > 64 || (Mining_height % KOMODO_ELECTION_GAP) == 0 )
                 {
-                    komodo_eligiblenotary(pubkeys,mids,&nonzpkeys,pindexPrev->nHeight);
+                    komodo_eligiblenotary(pubkeys,mids,blocktimes,&nonzpkeys,pindexPrev->nHeight);
                     if ( nonzpkeys > 0 )
                     {
                         for (i=0; i<33; i++)
diff --git a/src/pow.h b/src/pow.h
index 3edec74ac..213fe228d 100644
--- a/src/pow.h
+++ b/src/pow.h
@@ -25,7 +25,7 @@ unsigned int CalculateNextWorkRequired(arith_uint256 bnAvg,
 bool CheckEquihashSolution(const CBlockHeader *pblock, const CChainParams&);
 
 /** Check whether a block hash satisfies the proof-of-work requirement specified by nBits */
-bool CheckProofOfWork(int32_t height,uint8_t *pubkey33,uint256 hash, unsigned int nBits, const Consensus::Params&);
+bool CheckProofOfWork(int32_t height,uint8_t *pubkey33,uint256 hash, unsigned int nBits, const Consensus::Params&,uint32_t blocktime);
 arith_uint256 GetBlockProof(const CBlockIndex& block);
 
 /** Return the time it would take to redo the work difference between from and to, assuming the current hashrate corresponds to the difficulty at tip, in seconds. */
diff --git a/src/rpcmining.cpp b/src/rpcmining.cpp
index da1d5207f..d141c42c4 100644
--- a/src/rpcmining.cpp
+++ b/src/rpcmining.cpp
@@ -257,7 +257,7 @@ UniValue generate(const UniValue& params, bool fHelp)
                 LOCK(cs_main);
                 pblock->nSolution = soln;
                 solutionTargetChecks.increment();
-                return CheckProofOfWork(chainActive.Height(),NOTARY_PUBKEY33,pblock->GetHash(), pblock->nBits, Params().GetConsensus());
+                return CheckProofOfWork(chainActive.Height(),NOTARY_PUBKEY33,pblock->GetHash(), pblock->nBits, Params().GetConsensus(),pblock->nTime);
             };
             bool found = EhBasicSolveUncancellable(n, k, curr_state, validBlock);
             ehSolverRuns.increment();
diff --git a/src/txdb.cpp b/src/txdb.cpp
index f1adb11be..73109881f 100644
--- a/src/txdb.cpp
+++ b/src/txdb.cpp
@@ -324,7 +324,7 @@ bool CBlockTreeDB::LoadBlockIndexGuts()
                                  diskindex.ToString(),  pindexNew->ToString());
                 uint8_t pubkey33[33];
                 komodo_index2pubkey33(pubkey33,pindexNew,pindexNew->nHeight);
-                if (!CheckProofOfWork(pindexNew->nHeight,pubkey33,pindexNew->GetBlockHash(), pindexNew->nBits, Params().GetConsensus()))
+                if (!CheckProofOfWork(pindexNew->nHeight,pubkey33,pindexNew->GetBlockHash(), pindexNew->nBits, Params().GetConsensus(),pindexNew->nTime))
                     return error("LoadBlockIndex(): CheckProofOfWork failed: %s", pindexNew->ToString());
                 pcursor->Next();
             } else {