diff --git a/src/masternodeman.cpp b/src/masternodeman.cpp
index 9d137b50ddcd8..9e9e4f9514586 100644
--- a/src/masternodeman.cpp
+++ b/src/masternodeman.cpp
@@ -862,13 +862,15 @@ void CMasternodeMan::ProcessMessage(CNode* pfrom, std::string& strCommand, CData
             if(count == -1 && pmn->pubkey == pubkey && (pmn->lastPing.sigTime < GetTime() - MASTERNODE_MIN_MNB_SECONDS)){
                 if(pmn->sigTime < sigTime){ //take the newest entry
                     LogPrintf("dsee - Got updated entry for %s\n", addr.ToString().c_str());
-                    pmn->pubkey2 = pubkey2;
-                    pmn->sigTime = sigTime;
-                    pmn->sig = vchSig;
-                    pmn->protocolVersion = protocolVersion;
-                    pmn->addr = addr;
-                    //fake ping
-                    pmn->lastPing = CMasternodePing(vin);
+                    if(pmn->protocolVersion == MIN_MASTERNODE_PAYMENT_PROTO_VERSION_1) {
+                        pmn->pubkey2 = pubkey2;
+                        pmn->sigTime = sigTime;
+                        pmn->sig = vchSig;
+                        pmn->protocolVersion = protocolVersion;
+                        pmn->addr = addr;
+                        //fake ping
+                        pmn->lastPing = CMasternodePing(vin);
+                    }
                     pmn->Check();
                     if(pmn->IsEnabled()) {
                         TRY_LOCK(cs_vNodes, lockNodes);
@@ -939,7 +941,7 @@ void CMasternodeMan::ProcessMessage(CNode* pfrom, std::string& strCommand, CData
             // use this as a peer
             addrman.Add(CAddress(addr), pfrom->addr, 2*60*60);
 
-            // add our Masternode
+            // add Masternode
             CMasternode mn = CMasternode();
             mn.addr = addr;
             mn.vin = vin;
@@ -950,8 +952,9 @@ void CMasternodeMan::ProcessMessage(CNode* pfrom, std::string& strCommand, CData
             mn.protocolVersion = protocolVersion;
             // fake ping
             mn.lastPing = CMasternodePing(vin);
-            Add(mn);
             mn.Check(true);
+            // add v11 masternodes, v12 should be added by mnb only
+            if(protocolVersion == MIN_MASTERNODE_PAYMENT_PROTO_VERSION_1) Add(mn);
             if(mn.IsEnabled()) {
                 TRY_LOCK(cs_vNodes, lockNodes);
                 if(!lockNodes) return;
@@ -1013,8 +1016,8 @@ void CMasternodeMan::ProcessMessage(CNode* pfrom, std::string& strCommand, CData
                     return;
                 }
 
-                // fake ping
-                pmn->lastPing = CMasternodePing(vin);
+                // fake ping for v11 masternodes, ignore for v12
+                if(pmn->protocolVersion == MIN_MASTERNODE_PAYMENT_PROTO_VERSION_1) pmn->lastPing = CMasternodePing(vin);
                 pmn->Check();
                 if(pmn->IsEnabled()) {
                     TRY_LOCK(cs_vNodes, lockNodes);