diff --git a/src/main.cpp b/src/main.cpp
index d8e0220734d96..8ad5259a93f56 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3832,8 +3832,8 @@ bool ProcessNewBlock(CValidationState &state, CNode* pfrom, CBlock* pblock, CDis
     // ppcoin: check proof-of-stake
     // Limited duplicity on stake: prevents block flood attack
     // Duplicate stake allowed only when there is orphan child block
-    if (pblock->IsProofOfStake() && setStakeSeen.count(pblock->GetProofOfStake())/* && !mapOrphanBlocksByPrev.count(hash)*/)
-        return error("ProcessNewBlock() : duplicate proof-of-stake (%s, %d) for block %s", pblock->GetProofOfStake().first.ToString().c_str(), pblock->GetProofOfStake().second, pblock->GetHash().ToString().c_str());
+    //if (pblock->IsProofOfStake() && setStakeSeen.count(pblock->GetProofOfStake())/* && !mapOrphanBlocksByPrev.count(hash)*/)
+    //    return error("ProcessNewBlock() : duplicate proof-of-stake (%s, %d) for block %s", pblock->GetProofOfStake().first.ToString().c_str(), pblock->GetProofOfStake().second, pblock->GetHash().ToString().c_str());
 
     // NovaCoin: check proof-of-stake block signature
     if (!pblock->CheckBlockSignature())