--- kdebase-3.1.2/kdm/kfrontend/kgreeter.cpp--	2003-06-12 15:49:27.000000000 +0200
+++ kdebase-3.1.2/kdm/kfrontend/kgreeter.cpp	2003-06-12 15:52:56.000000000 +0200
@@ -337,7 +337,8 @@ KGreeter::insertUser( UserListView *list
     if (realname.isEmpty())
 	new UserListViewItem( listview, username, QPixmap( p ), username );
     else {
-	realname.append( "\n" ).append( username );
+	if( realname != username )
+		realname.append( "\n" ).append( username );
 	new UserListViewItem( listview, realname, QPixmap( p ), username );
     }
 }