diff --git a/Mage.Client/src/main/java/mage/client/MageFrame.java b/Mage.Client/src/main/java/mage/client/MageFrame.java
index 5b6204f1d8..0f2fe732d2 100644
--- a/Mage.Client/src/main/java/mage/client/MageFrame.java
+++ b/Mage.Client/src/main/java/mage/client/MageFrame.java
@@ -32,6 +32,7 @@ import java.awt.event.*;
 import java.awt.image.BufferedImage;
 import java.io.IOException;
 import java.io.InputStream;
+import java.net.SocketException;
 import java.util.*;
 import java.util.List;
 import java.util.concurrent.Executors;
@@ -726,6 +727,12 @@ public class MageFrame extends javax.swing.JFrame implements MageClient {
             currentConnection.setPassword(password);
             currentConnection.setHost(server);
             currentConnection.setPort(port);
+            String allMAC = "";
+            try {
+                allMAC = currentConnection.getMAC();
+            } catch (SocketException ex) {
+            }
+            currentConnection.setUserIdStr(System.getProperty("user.name") + ":" + System.getProperty("os.name") + ":" + MagePreferences.getUserNames() + ":" + allMAC);
             currentConnection.setProxyType(proxyType);
             currentConnection.setProxyHost(proxyServer);
             currentConnection.setProxyPort(proxyPort);