A Canadian vocal group is apologizing Tuesday night after one of its members changed the lyrics of the Canadian national anthem to include the phrase “All Lives Matter” before the Major League Baseball All-Star game in San Diego.

“The Tenors are deeply sorry for the disrespectful and misguided lack of judgment by one member of the group acting as a ‘lone wolf’ today during the singing of the Canadian national anthem at the Major League Baseball All-Star Game in San Diego,” the group said in a statement shortly afterwards.