See the example: <img width="1440" alt="captura de pantalla 2017-02-01 a las 15 29 49" src="https://cloud.githubusercontent.com/assets/665801/22510760/6de79038-e893-11e6-8758-e8a37f7ce695.png"> Seems to be related with the size of the images present in the gallery (or the directory icon).
See the example:
Seems to be related with the size of the images present in the gallery (or the directory icon).