Hi, thanks for appreciating and using my extension! I will be adding the marker in the upcoming version 1.2 of the extension, when there is no search query in the URI. For example `geo:48.37568,-1.87945?z=19` will generate that URL you provided, while `geo:48.37568,-1.87945?z=19&q=some+search+query` would not (it would instead perform the search near the given coordinates).