diff --git a/happy_ripper.py b/happy_ripper.py
index 4301c5e..387740c 100644
--- a/happy_ripper.py
+++ b/happy_ripper.py
@@ -200,9 +200,9 @@ def sort_into_music(path: str, info: ReleaseInfo) -> set[str]:
                 raise RipError("Artist tag was None")
 
             artist = artist_list[0]
-            re.sub(r"[^\w_. -]", "_", artist)
+            artist = re.sub(r"[^\w_. -]", "_", artist)
             title = info.title
-            re.sub(r"[^\w_. -]", "_", title)
+            title = re.sub(r"[^\w_. -]", "_", title)
 
             artist_path = os.path.join(MUSIC_FOLDER, artist)
             release_path = os.path.join(MUSIC_FOLDER, artist, title)