diff --git a/beets/config_default.yaml b/beets/config_default.yaml
index 82db31707..b7fba6848 100644
--- a/beets/config_default.yaml
+++ b/beets/config_default.yaml
@@ -73,6 +73,7 @@ match:
         tracklength: strong
         tracknumber: strong
     weight:
+        source: 3.0
         artist: 3.0
         album: 3.0
         track: 1.0
@@ -85,3 +86,6 @@ match:
         track_length_max: 30
         track_length: 2.0
         track_id: 5.0
+
+discogs:
+    source_weight: 0.5
diff --git a/beetsplug/discogs.py b/beetsplug/discogs.py
index ffb8b8045..951c5d593 100644
--- a/beetsplug/discogs.py
+++ b/beetsplug/discogs.py
@@ -15,6 +15,7 @@
 """Adds Discogs album search support to the autotagger. Requires the
 discogs-client library.
 """
+from beets import config
 from beets.autotag.hooks import AlbumInfo, TrackInfo
 from beets.autotag.match import current_metadata, VA_ARTISTS
 from beets.plugins import BeetsPlugin
@@ -27,6 +28,10 @@ import time
 
 log = logging.getLogger('beets')
 
+# Distance parameters.
+DISCOGS_SOURCE_WEIGHT = config['discogs']['source_weight'].as_number()
+SOURCE_WEIGHT = config['match']['weight']['source'].as_number()
+
 # Silence spurious INFO log lines generated by urllib3.
 urllib3_logger = logging.getLogger('requests.packages.urllib3')
 urllib3_logger.setLevel(logging.CRITICAL)
@@ -36,6 +41,11 @@ discogs_client.user_agent = 'beets/%s +http://beets.radbox.org/' % \
     beets.__version__
 
 class DiscogsPlugin(BeetsPlugin):
+    def album_distance(self, items, album_info, mapping):
+        """Returns the discogs source weight and the maximum source weight.
+        """
+        return DISCOGS_SOURCE_WEIGHT * SOURCE_WEIGHT, SOURCE_WEIGHT
+
     def candidates(self, items, artist, album, va_likely):
         """Returns a list of AlbumInfo objects for discogs search results
         matching an album and artist (if not various).