diff --git a/cs656/lab2/src/ChatClient.java b/cs656/lab2/src/ChatClient.java
index 26233c5..783be1c 100644
--- a/cs656/lab2/src/ChatClient.java
+++ b/cs656/lab2/src/ChatClient.java
@@ -247,6 +247,7 @@ public class ChatClient
                 }
                 else if (command.equals("exit"))
                 {
+                    unregister();
                     myListenThread.interrupt();
                     break;
                 }