zeitgeist does not close properly

Trying to replace a current running zeitgeist with "zeitgeist-daemon --replace" ends up with

[DEBUG - root] Running datahub (/usr/bin/zeitgeist-datahub) with PID=23521
[INFO - root] Starting Zeitgeist service...
[ERROR - dbus.proxies] Introspect error on :1.239:/org/gnome/zeitgeist/log/activity: dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
[DEBUG - dbus.proxies] Executing introspect queue due to error
Traceback (most recent call last):
  File "/usr/lib/pymodules/python2.7/dbus/connection.py", line 586, in msg_reply_handler
    reply_handler(*message.get_args_list(**get_args_opts))
  File "/home/seif/Projects/zeitgeist/zeitgeist/client.py", line 176, in name_owner_changed
    self.reconnect()
  File "/home/seif/Projects/zeitgeist/zeitgeist/client.py", line 73, in reconnect
    self._load_introspection_data()
  File "/home/seif/Projects/zeitgeist/zeitgeist/client.py", line 157, in _load_introspection_data
    self.__proxy.Introspect())
  File "/usr/lib/pymodules/python2.7/dbus/proxies.py", line 68, in __call__
    return self._proxy_method(*args, **keywords)
  File "/usr/lib/pymodules/python2.7/dbus/proxies.py", line 143, in __call__
    **keywords)
  File "/usr/lib/pymodules/python2.7/dbus/connection.py", line 630, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
[ERROR - dbus.proxies] Introspect error on :1.239:/org/gnome/zeitgeist/log/activity: dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
[DEBUG - dbus.proxies] Executing introspect queue due to error

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I also attached a video that shows the bug in action