Glyphs.app Smart Components misplaced in fontmaked VF

A [Glyphs source](https://github.com/yanone/Petrona/blob/master/Sources/Petrona-ROMAN-MASTER.glyphs) I’m working on has Smart Components in various glyphs such as the Peso sign (open in that Glyphs file’s tab).

The font when generated through `fontmake` shows these components fully expanded when instead they should be rather contracted. Since the same file shows correctly placed components when exported directly from Glyphs as VF, I assume that this is a minor lapse in fontmake.

Glyph:

Screenshot of VF exported through `fontmake`:

Screenshot of VF exported through Glyphs: