Surfing and canoeing authorities are in a scrap to take over the booming sport of stand-up paddle boarding.
In a comical battle with Olympic ramifications, the International Canoe Federation is claiming the use of a paddle means it should control SUP. But the International Surfing Association has rejected that, saying it has organised the SUP competitions for many years.
SUP is described as a mix of surfing and canoeing, and those involved in the sport are hoping it can join those two sports in the Olympics.
ISA president Fernando Aguerre told the BBC: "Up until last year there was no interest from the ICF. The interest arose when we were to bring the sport to the 2018 Youth Olympics in Buenos Aires."
ICF secretary general Simon Toulson replied: "The ICF has been involved in the sport for a number of years. Many of our federations have the sport recognised by their National Olympic Committees running national and international competitions."