diff --git a/TODO b/TODO
index 65eea1a..721f451 100644
--- a/TODO
+++ b/TODO
@@ -22,3 +22,4 @@ TODO:
 - persist RipResult so rips can be aborted and continued too; needs verification
   of previously ripped files
 - write moovida plugin
+- cache results of MusicBrainz lookups
diff --git a/morituri/rip/cd.py b/morituri/rip/cd.py
index 6419544..23cbb21 100644
--- a/morituri/rip/cd.py
+++ b/morituri/rip/cd.py
@@ -98,6 +98,7 @@ class Rip(logcommand.LogCommand):
         print "MusicBrainz disc id", mbdiscid
 
         # look up disc on musicbrainz
+        metadatas = None
         try:
             metadatas = program.musicbrainz(mbdiscid)
         except program.MusicBrainzException, e: