diff --git a/demo/chatdialog.cpp b/demo/chatdialog.cpp
index 4d7c358..c31a0bb 100644
--- a/demo/chatdialog.cpp
+++ b/demo/chatdialog.cpp
@@ -186,7 +186,12 @@
   appendMessage(msg);
   
   // update the tree view
-  std::string prefix = name.toStdString().substr(0, name.toStdString().find_last_of('/'));
+  std::string stdStrName = name.toStdString();
+  std::string stdStrNameWithoutSeq = stdStrName.substr(0, stdStrName.find_last_of('/'));
+  std::string prefix = stdStrNameWithoutSeq.substr(0, stdStrNameWithoutSeq.find_last_of('/'));
+#ifdef __DEBUG
+  std::cout <<"<<< updating scene for" << prefix << ": " << msg.from()  << std::endl;
+#endif
   m_scene->msgReceived(prefix.c_str(), msg.from().c_str());
   fitView();
 }
diff --git a/demo/digesttreescene.cpp b/demo/digesttreescene.cpp
index 4bf699e..30c087e 100644
--- a/demo/digesttreescene.cpp
+++ b/demo/digesttreescene.cpp
@@ -66,6 +66,9 @@
 void
 DigestTreeScene::msgReceived(QString prefix, QString nick)
 {
+#ifdef __DEBUG
+  std::cout << "Finding " << prefix.toStdString() << std::endl;
+#endif
   Roster_iterator it = m_roster.find(prefix);
   if (it != m_roster.end()) 
   {
@@ -89,6 +92,18 @@
 
     previouslyUpdatedUser = p;
   }
+#ifdef __DEBUG
+  else 
+  {
+    std::cout << "Couldn't find prefix, let's check"<< std::endl;
+    Roster_iterator ii = m_roster.begin();
+    while (ii != m_roster.end())
+    {
+      std::cout <<"Prefix: " << ii.key().toStdString() << std::endl;
+      ++ii;
+    }
+  }
+#endif
 }
 
 void