diff --git a/mopidy/backends/local/playback.py b/mopidy/backends/local/playback.py
index 98c92a85..9fbb736d 100644
--- a/mopidy/backends/local/playback.py
+++ b/mopidy/backends/local/playback.py
@@ -6,14 +6,14 @@ import os
 from mopidy.backends import base
 from mopidy.utils import path
 
+from . import translator
+
 logger = logging.getLogger('mopidy.backends.local')
 
 
 class LocalPlaybackProvider(base.BasePlaybackProvider):
     def change_track(self, track):
         media_dir = self.backend.config['local']['media_dir']
-        # TODO: check that type is correct.
-        file_path = path.uri_to_path(track.uri).split(b':', 1)[1]
-        file_path = os.path.join(media_dir, file_path)
-        track = track.copy(uri=path.path_to_uri(file_path))
+        uri = translator.local_to_file_uri(track.uri, media_dir)
+        track = track.copy(uri=uri)
         return super(LocalPlaybackProvider, self).change_track(track)
diff --git a/mopidy/backends/local/translator.py b/mopidy/backends/local/translator.py
index 3a02a8af..3c6b8151 100644
--- a/mopidy/backends/local/translator.py
+++ b/mopidy/backends/local/translator.py
@@ -6,11 +6,18 @@ import urlparse
 
 from mopidy.models import Track, Artist, Album
 from mopidy.utils.encoding import locale_decode
-from mopidy.utils.path import path_to_uri
+from mopidy.utils.path import path_to_uri, uri_to_path
 
 logger = logging.getLogger('mopidy.backends.local')
 
 
+def local_to_file_uri(uri, media_dir):
+    # TODO: check that type is correct.
+    file_path = uri_to_path(uri).split(b':', 1)[1]
+    file_path = os.path.join(media_dir, file_path)
+    return path_to_uri(file_path)
+
+
 def parse_m3u(file_path, media_dir):
     r"""
     Convert M3U file list of uris