diff --git a/src/activemasternode.cpp b/src/activemasternode.cpp
index ad0c88f82..ade5b0d97 100644
--- a/src/activemasternode.cpp
+++ b/src/activemasternode.cpp
@@ -187,7 +187,7 @@ bool CActiveMasternode::SendMasternodePing(std::string& errorMessage) {
         std::vector<unsigned char> vchMasterNodeSignature;
         int64_t masterNodeSignatureTime = GetAdjustedTime();
 
-        std::string strMessage = service.ToString() + boost::lexical_cast<std::string>(masterNodeSignatureTime) + boost::lexical_cast<std::string>(0);
+        std::string strMessage = service.ToString() + boost::lexical_cast<std::string>(masterNodeSignatureTime) + boost::lexical_cast<std::string>(false);
 
         if(!darkSendSigner.SignMessage(strMessage, retErrorMessage, vchMasterNodeSignature, keyMasternode)) {
             errorMessage = "dseep sign message failed: " + retErrorMessage;
@@ -201,7 +201,7 @@ bool CActiveMasternode::SendMasternodePing(std::string& errorMessage) {
 
         LOCK(cs_vNodes);
         BOOST_FOREACH(CNode* pnode, vNodes)
-            pnode->PushMessage("dseep", vin, vchMasterNodeSignature, masterNodeSignatureTime, 0);
+            pnode->PushMessage("dseep", vin, vchMasterNodeSignature, masterNodeSignatureTime, false);
 
         /*
          * END OF "REMOVE"
diff --git a/src/masternodeman.cpp b/src/masternodeman.cpp
index 7f6b224f6..9d137b50d 100644
--- a/src/masternodeman.cpp
+++ b/src/masternodeman.cpp
@@ -901,7 +901,15 @@ void CMasternodeMan::ProcessMessage(CNode* pfrom, std::string& strCommand, CData
         CTxOut vout = CTxOut(999.99*COIN, darkSendPool.collateralPubKey);
         tx.vin.push_back(vin);
         tx.vout.push_back(vout);
-        if(AcceptableInputs(mempool, state, CTransaction(tx), false, NULL)){
+
+        bool fAcceptable = false;
+        {
+            TRY_LOCK(cs_main, lockMain);
+            if(!lockMain) return;
+            fAcceptable = AcceptableInputs(mempool, state, CTransaction(tx), false, NULL);
+        }
+
+        if(fAcceptable){
             if(fDebug) LogPrintf("dsee - Accepted OLD Masternode entry %i %i\n", count, current);
 
             if(GetInputAge(vin) < MASTERNODE_MIN_CONFIRMATIONS){
@@ -1006,7 +1014,7 @@ void CMasternodeMan::ProcessMessage(CNode* pfrom, std::string& strCommand, CData
                 }
 
                 // fake ping
-                pmn->lastPing = CMasternodePing();
+                pmn->lastPing = CMasternodePing(vin);
                 pmn->Check();
                 if(pmn->IsEnabled()) {
                     TRY_LOCK(cs_vNodes, lockNodes);