--- org/jivesoftware/smack/sasl/SASLMechanism.java~	2010-07-20 15:13:25.000000000 +0200
+++ org/jivesoftware/smack/sasl/SASLMechanism.java	2010-07-20 15:15:41.000000000 +0200
@@ -263,9 +263,6 @@
             if (authenticationText != null) {
                 stanza.append(authenticationText);
             }
-            else {
-                stanza.append("=");
-            }
             stanza.append("</response>");
             return stanza.toString();
         }