diff --git a/src/main.cpp b/src/main.cpp
index 227d6ca8f..9f2e980d0 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -4583,7 +4583,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
 {
     const CChainParams& chainparams = Params();
     LogPrint("net", "received: %s (%u bytes) peer=%d\n", SanitizeString(strCommand), vRecv.size(), pfrom->id);
-    fprintf(stderr, "recv: %s (%u bytes) peer=%s\n", SanitizeString(strCommand), vRecv.size(), pfrom->addr.ToString());
+    fprintf(stderr, "recv: %s (%u bytes) peer=%s\n", SanitizeString(strCommand), vRecv.size(), pfrom->addr.ToString().c_str());
     if (mapArgs.count("-dropmessagestest") && GetRand(atoi(mapArgs["-dropmessagestest"])) == 0)
     {
         LogPrintf("dropmessagestest DROPPING RECV MESSAGE\n");