diff --git a/src/net/common/sessiondata.cpp b/src/net/common/sessiondata.cpp
index f48fb967..934695a5 100644
--- a/src/net/common/sessiondata.cpp
+++ b/src/net/common/sessiondata.cpp
@@ -97,9 +97,8 @@ SessionData::CreateClientAuthSession(Gsasl *context, const string &userName, con
 	if (errorCode == GSASL_OK)
 	{
 		char *base64User = NULL;
-		size_t lenBase64User = 0;
-		gsasl_base64_to(userName.c_str(), userName.length(), &base64User, &lenBase64User);
-		gsasl_property_set(m_authSession, GSASL_AUTHID, string(base64User, lenBase64User).c_str());
+		gsasl_base64_to(userName.c_str(), userName.length(), &base64User, NULL);
+		gsasl_property_set(m_authSession, GSASL_AUTHID, base64User);
 		gsasl_free(base64User);
 
 		gsasl_property_set(m_authSession, GSASL_PASSWORD, password.c_str());