FIFA has strict rules about apparel that can be worn by players and the armband is not allowed under the code.
And if he wears it again in their second match, the skipper could be slapped with another yellow card, automatically banning him from the third game, reports UK Daily Mail
The armband is designed to show solidarity with minority groups such as gay and transgender people that are criminalised in the host nation.
Qatar, meanwhile, lost their opening match at World Cup 2-0 to Ecuador on Sunday, becoming the first host to lose their opening match at the tournament.