1 files changed, 2 insertions, 2 deletions

diff --git a/helpers/mapping.py b/helpers/mapping.py
index c2a94e6..b71f3fe 100644
--- a/helpers/mapping.py
+++ b/helpers/mapping.py
@@ -178,8 +178,8 @@ class Mapping(RelativeLayout):
                                         **config['music_properties'][filename])
                             else:
                                 seen_files[filename] = MusicFile(
-                                        self,
-                                        filename)
+                                        filename,
+                                        self)
 
                         if filename not in key_properties[mapped_key]['files']:
                             key_properties[mapped_key]['files'] \