diff --git a/cs656/lab3/ChatClient.java b/cs656/lab3/ChatClient.java
index cb439c9..c84169c 100644
--- a/cs656/lab3/ChatClient.java
+++ b/cs656/lab3/ChatClient.java
@@ -354,6 +354,7 @@ public class ChatClient
                     default:
                         usage();
                 }
+                argIndex++;
             }
         }