diff --git a/openlp/plugins/songs/forms/songexportform.py b/openlp/plugins/songs/forms/songexportform.py
index 1e86c74a1..a654db486 100644
--- a/openlp/plugins/songs/forms/songexportform.py
+++ b/openlp/plugins/songs/forms/songexportform.py
@@ -249,7 +249,7 @@ class SongExportForm(OpenLPWizard):
         # Load the list of songs.
         Receiver.send_message(u'cursor_busy')
         songs = self.plugin.manager.get_all_objects(Song)
-        songs.sort(key=lambda custom: custom.title.lower())
+        songs.sort(key=lambda song: song.title.lower())
         for song in songs:
             authors = u', '.join([author.display_name
                 for author in song.authors])