diff --git a/oxdata/lookup/models.py b/oxdata/lookup/models.py
index 8926ac2..e388c6e 100644
--- a/oxdata/lookup/models.py
+++ b/oxdata/lookup/models.py
@@ -137,8 +137,11 @@ class MovieId(models.Model):
             info['seriesTitle'] = self.series_title
         info['type'] = 'video'
         info['extension'] = 'avi'
-        info['director'] = self.director.split(', ')
-        info['directorSort'] = oxdb_sortnames(info['director'])
+        if not self.director:
+            info['director'] = info['directorSort'] = ['Unknown Director']
+        else:
+            info['director'] = self.director.split(', ')
+            info['directorSort'] = oxdb_sortnames(info['director'])
         return ox.movie.format_path(info)
 
     def links(self):