diff --git a/src/chatdialog.cpp b/src/chatdialog.cpp
index f88f972..6a3f70c 100644
--- a/src/chatdialog.cpp
+++ b/src/chatdialog.cpp
@@ -691,6 +691,7 @@
 void
 ChatDialog::settingUpdated(QString nick, QString chatroom, QString originPrefix)
 {
+  _LOG_DEBUG("called");
   QString randString = getRandomString();
   bool needWrite = false;
   bool needFresh = false;
@@ -917,7 +918,7 @@
       boost::this_thread::sleep(boost::posix_time::milliseconds(100));
 #endif
     }
-  _LOG_DEBUG("now the prefix is " << m_localPrefix.toUri());
+  _LOG_DEBUG("now the prefix is " << m_newLocalPrefix.toUri());
   _LOG_DEBUG("in use prefix is " << m_user.getOriginPrefix().toStdString());
   QString originPrefix = QString::fromStdString(m_newLocalPrefix.toUri());