diff --git a/mopidy/frontends/mpd/translator.py b/mopidy/frontends/mpd/translator.py
index 3f7a6adf..41d2af5c 100644
--- a/mopidy/frontends/mpd/translator.py
+++ b/mopidy/frontends/mpd/translator.py
@@ -3,9 +3,9 @@ import re
 
 from mopidy import settings
 from mopidy.frontends.mpd import protocol
-from mopidy.utils.path import path_to_uri
+from mopidy.utils.path import path_to_uri, uri_to_path
 
-def track_to_mpd_format(track, position=None, cpid=None, key=None):
+def track_to_mpd_format(track, position=None, cpid=None, key=False, mtime=False):
     """
     Format track for output to MPD client.
 
@@ -35,6 +35,9 @@ def track_to_mpd_format(track, position=None, cpid=None, key=None):
         result.append(('Id', cpid))
     if key and track.uri:
         result.insert(0, ('key', os.path.basename(track.uri)))
+    if mtime and track.uri:
+        mtime = os.stat(uri_to_path(track.uri)).st_mtime
+        result.append(('mtime', int(mtime)))
     return result
 
 def track_artists_to_mpd_format(track):
diff --git a/tests/frontends/mpd/serializer_test.py b/tests/frontends/mpd/serializer_test.py
index de0a6814..689347fe 100644
--- a/tests/frontends/mpd/serializer_test.py
+++ b/tests/frontends/mpd/serializer_test.py
@@ -5,6 +5,8 @@ from mopidy import settings
 from mopidy.frontends.mpd import translator, protocol
 from mopidy.models import Album, Artist, Playlist, Track
 
+from tests import data_folder
+
 class TrackMpdFormatTest(unittest.TestCase):
     def setUp(self):
         settings.LOCAL_MUSIC_FOLDER = '/dir/subdir'
@@ -41,6 +43,12 @@ class TrackMpdFormatTest(unittest.TestCase):
         result = translator.track_to_mpd_format(track, key=True)
         self.assert_(('key', 'file.mp3') in result)
 
+    def test_track_to_mpd_format_with_mtime(self):
+        uri = translator.path_to_uri(data_folder('blank.mp3'))
+        result = translator.track_to_mpd_format(Track(uri=uri), mtime=True)
+        print result
+        self.assert_(('mtime', 1288125516) in result)
+
     def test_track_to_mpd_format_track_uses_uri_to_mpd_relative_path(self):
         track = Track(uri='file:///dir/subdir/song.mp3')
         path = dict(translator.track_to_mpd_format(track))['file']