Uzbek gymnast Luiza Galiulina has been suspended after testing positive for diuretic furosemide, the International Olympic Committee (IOC) announced Sunday.

Galiulina was tested July 25, four days before the start of the women’s gymnastics competition, reports Xinhua. “Once the results of the B sample have been received, a definitive decision will be announced by the disciplinary commission,” said the IOC.