diff --git a/karaokatalog/organize/move.py b/karaokatalog/organize/move.py
index 9b35f1c..ac39f52 100644
--- a/karaokatalog/organize/move.py
+++ b/karaokatalog/organize/move.py
@@ -47,6 +47,7 @@ def move(songs: Sequence[Song], base_dir: Path) -> Sequence[MoveInstruction]:
             variant = 1
             while canonical_song_dir in song_dirs:
                 canonical_song_dir = _get_canonical_song_dir(song, variant)
+                variant += 1
 
             song_dirs.add(canonical_song_dir)
             move_instructions.append(