diff --git a/src/core.py b/src/core.py
index 2ddf143d..04f51b7c 100644
--- a/src/core.py
+++ b/src/core.py
@@ -38,6 +38,7 @@ log = logging.getLogger(__name__)
 
 import multiuserchat as muc
 import tabs
+
 import xhtml
 import windows
 import connection
@@ -298,15 +299,15 @@ class Core(object):
             return
         resource = contact.get_resource_by_fulljid(jid.full)
         assert resource
-        self.information('%s is offline' % (resource.get_jid()), "Roster")
         # If a resource got offline, display the message in the conversation with this
         # precise resource.
-        self.add_information_message_to_conversation_tab(jid.full, '%s is offline' % (resource.get_jid().full))
+        self.add_information_message_to_conversation_tab(jid.full, '\x195%s is \x191offline' % (resource.get_jid().full))
         contact.remove_resource(resource)
         # Display the message in the conversation with the bare JID only if that was
         # the only resource online (i.e. now the contact is completely disconnected)
         if not contact.get_highest_priority_resource(): # No resource left: that was the last one
-            self.add_information_message_to_conversation_tab(jid.bare, '%s is offline' % (jid.bare))
+            self.add_information_message_to_conversation_tab(jid.bare, '\x195%s is \x191offline' % (jid.bare))
+            self.information('\x193%s \x195is \x191offline' % (resource.get_jid().bare), "Roster")
         self.refresh_window()
 
     def on_got_online(self, presence):
@@ -324,11 +325,11 @@ class Core(object):
         resource.set_status(status_message)
         resource.set_presence(status)
         resource.set_priority(priority)
-        self.information("%s is online (%s)" % (resource.get_jid().full, status), "Roster")
-        self.add_information_message_to_conversation_tab(jid.full, '%s is online' % (jid.full))
+        self.add_information_message_to_conversation_tab(jid.full, '\x195%s is \x194online' % (jid.full))
         if not contact.get_highest_priority_resource():
             # No connected resource yet: the user's just connecting
-            self.add_information_message_to_conversation_tab(jid.bare, '%s is online' % (jid.bare))
+            self.information("\x193%s \x195is \x194online\x195 (\x190%s\x195)" % (resource.get_jid().bare, status), "Roster")
+            self.add_information_message_to_conversation_tab(jid.bare, '\x195%s is \x194online' % (jid.bare))
         contact.add_resource(resource)
 
     def add_information_message_to_conversation_tab(self, jid, msg):
@@ -508,7 +509,7 @@ class Core(object):
             remote_nick = roster.get_contact_by_jid(jid.bare).get_name() or jid.user
         else:
             remote_nick = jid.user
-        conversation.get_room().add_message(body, None, remote_nick, False, theme.COLOR_REMOTE_USER)
+        conversation.get_room().add_message(body, nickname=remote_nick, nick_color=theme.COLOR_REMOTE_USER)
         if conversation.remote_wants_chatstates is None:
             if message['chat_state']:
                 conversation.remote_wants_chatstates = True
diff --git a/src/text_buffer.py b/src/text_buffer.py
index 523dcadc..61c08994 100644
--- a/src/text_buffer.py
+++ b/src/text_buffer.py
@@ -45,7 +45,6 @@ class TextBuffer(object):
         self.windows.append(win)
 
     def add_message(self, txt, time=None, nickname=None, nick_color=None):
-        nick_color = nick_color
         msg = Message(txt='%s\x19o'%(txt,), nick_color=nick_color,
                       time=time or datetime.now(), nickname=nickname, user=None)
         self.messages.append(msg)
diff --git a/src/xhtml.py b/src/xhtml.py
index 25d23bf9..55582066 100644
--- a/src/xhtml.py
+++ b/src/xhtml.py
@@ -133,7 +133,7 @@ def shell_colors_to_poezio_colors(string):
             elif num == 1:
                 res += '\x19b'
             elif num >= 31 and num <= 37:
-                res += '\x19%s' % (num-30,)
+                res += '\x19%d' % (num-30,)
         return res
     def remove_elinks_indent(string):
         lines = string.split('\n')