diff --git a/source/org/jivesoftware/smack/Chat.java b/source/org/jivesoftware/smack/Chat.java
index 75b7ff2c0..92f5b70cb 100644
--- a/source/org/jivesoftware/smack/Chat.java
+++ b/source/org/jivesoftware/smack/Chat.java
@@ -68,7 +68,7 @@ public class Chat {
     /**
      * A prefix helps to make sure that ID's are unique across mutliple instances.
      */
-    private static String prefix = StringUtils.randomString(3);
+    private static String prefix = StringUtils.randomString(5);
 
     /**
      * Keeps track of the current increment, which is appended to the prefix to