diff --git a/src/main.cpp b/src/main.cpp
index 7bd10f6..ede52f0 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1999,6 +1999,7 @@ bool CTransaction::GetCoinAge(CTxDB& txdb, uint64& nCoinAge) const
         CBlock block;
         if (!block.ReadFromDisk(txindex.pos.nFile, txindex.pos.nBlockPos, false))
             return false; // unable to read block of previous transaction
+        if ( nBestHeight > (int)HF_BLOCK ) nStakeMinAge = 60 * 60 * 24 * 4; // 4 day min stake age hardfork
         if (block.GetBlockTime() + nStakeMinAge > nTime)
             continue; // only count coins meeting min age requirement
 
@@ -3350,6 +3351,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
                 printf("  getblocks stopping at %d %s\n", pindex->nHeight, pindex->GetBlockHash().ToString().substr(0,20).c_str());
                 // ppcoin: tell downloading node about the latest block if it's
                 // without risk being rejected due to stake connection check
+                if ( nBestHeight > (int)HF_BLOCK ) nStakeMinAge = 60 * 60 * 24 * 4; // 4 day min stake age hardfork
                 if (hashStop != hashBestChain && pindex->GetBlockTime() + nStakeMinAge > pindexBest->GetBlockTime())
                     pfrom->PushInventory(CInv(MSG_BLOCK, hashBestChain));
                 break;