diff --git a/QuickFIXn/ClientHandlerThread.cs b/QuickFIXn/ClientHandlerThread.cs
index 7130988ca..0396eb748 100755
--- a/QuickFIXn/ClientHandlerThread.cs
+++ b/QuickFIXn/ClientHandlerThread.cs
@@ -62,7 +62,9 @@ public ClientHandlerThread(TcpClient tcpClient, long clientId, QuickFix.Dictiona
                 debugLogFilePath = settingsDict.GetString(SessionSettings.FILE_LOG_PATH);
 
             // FIXME - do something more flexible than hardcoding a filelog
-            log_ = new FileLog(debugLogFilePath, new SessionID("ClientHandlerThread", DateTime.UtcNow.Ticks.ToString(), "Debug"));
+            log_ = new FileLog(debugLogFilePath, new SessionID(
+                    "ClientHandlerThread", clientId.ToString(), "Debug-" + Guid.NewGuid().ToString()));
+            //log_ = new FileLog(debugLogFilePath, new SessionID("ClientHandlerThread", clientId.ToString(), "Debug"));
 
             this.Id = clientId;
             socketReader_ = new SocketReader(tcpClient, socketSettings, this);