diff --git a/src/main.cpp b/src/main.cpp
index 4179b4f647..6876fc08e4 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -4053,7 +4053,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
 
         pfrom->fSuccessfullyConnected = true;
 
-        printf("receive version message: %s: version %d, blocks=%d, us=%s, them=%s, peer=%s\n", pfrom->cleanSubVer.c_str(), pfrom->nVersion, pfrom->nStartingHeight, addrMe.ToString().c_str(), addrFrom.ToString().c_str(), pfrom->addr.ToString().c_str());
+        printf("receive version message: %s: version %d, blocks=%d, us=%s, them=%s, peer=%d\n", pfrom->cleanSubVer.c_str(), pfrom->nVersion, pfrom->nStartingHeight, addrMe.ToString().c_str(), addrFrom.ToString().c_str(), pfrom->id);
 
         cPeerBlockCounts.input(pfrom->nStartingHeight);
 
diff --git a/src/net.cpp b/src/net.cpp
index 12267b754b..6b340afbe6 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -69,6 +69,9 @@ CCriticalSection cs_setservAddNodeAddresses;
 vector<std::string> vAddedNodes;
 CCriticalSection cs_vAddedNodes;
 
+NodeId nLastNodeId = 0;
+CCriticalSection cs_nLastNodeId;
+
 static CSemaphore *semOutbound = NULL;
 
 void AddOneShot(string strDest)
@@ -544,7 +547,7 @@ void CNode::PushVersion()
     CAddress addrYou = (addr.IsRoutable() && !IsProxy(addr) ? addr : CAddress(CService("0.0.0.0",0)));
     CAddress addrMe = GetLocalAddress(&addr);
     RAND_bytes((unsigned char*)&nLocalHostNonce, sizeof(nLocalHostNonce));
-    printf("send version message: version %d, blocks=%d, us=%s, them=%s, peer=%s\n", PROTOCOL_VERSION, nBestHeight, addrMe.ToString().c_str(), addrYou.ToString().c_str(), addr.ToString().c_str());
+    printf("send version message: version %d, blocks=%d, us=%s, them=%s, peer=%d\n", PROTOCOL_VERSION, nBestHeight, addrMe.ToString().c_str(), addrYou.ToString().c_str(), id);
     PushMessage("version", PROTOCOL_VERSION, nLocalServices, nTime, addrYou, addrMe,
                 nLocalHostNonce, FormatSubVersion(CLIENT_NAME, CLIENT_VERSION, std::vector<string>()), nBestHeight);
 }
diff --git a/src/net.h b/src/net.h
index 2cbbebfb54..1cb9338cee 100644
--- a/src/net.h
+++ b/src/net.h
@@ -46,6 +46,8 @@ void StartNode(boost::thread_group& threadGroup);
 bool StopNode();
 void SocketSendData(CNode *pnode);
 
+typedef int NodeId;
+
 enum
 {
     LOCAL_NONE,   // unknown
@@ -87,7 +89,8 @@ extern limitedmap<CInv, int64> mapAlreadyAskedFor;
 extern std::vector<std::string> vAddedNodes;
 extern CCriticalSection cs_vAddedNodes;
 
-
+extern NodeId nLastNodeId;
+extern CCriticalSection cs_nLastNodeId;
 
 
 class CNodeStats
@@ -200,6 +203,7 @@ public:
     CCriticalSection cs_filter;
     CBloomFilter* pfilter;
     int nRefCount;
+    NodeId id;
 protected:
 
     // Denial-of-service detection/prevention
@@ -265,6 +269,11 @@ public:
         setInventoryKnown.max_size(SendBufferSize() / 1000);
         pfilter = new CBloomFilter();
 
+        {
+            LOCK(cs_nLastNodeId);
+            id = nLastNodeId++;
+        }
+
         // Be shy and don't send version until we hear
         if (hSocket != INVALID_SOCKET && !fInbound)
             PushVersion();