diff --git a/MusicBoxConverter/MusicBox.cs b/MusicBoxConverter/MusicBox.cs
index 9d58d1f..1922769 100644
--- a/MusicBoxConverter/MusicBox.cs
+++ b/MusicBoxConverter/MusicBox.cs
@@ -11,7 +11,7 @@ namespace MusicBoxConverter
///
/// The height of a strip for this music box, in millimetres.
///
- public float StripHeightMm = 58.8f;
+ public float StripHeightMm = 58.2f;
public List ValidNotes { get; private set; }
public Note LowestNote {