Nicolas Pepe broke his Arsenal duck when tucking home the penalty to make it 1-1 against Aston Villa.
Afterwards Unai Emery revealed it was top-scorer Pierre-Emerick Aubameyang's decision to let his team-mate take the spot kick.
Pepe was the regular penalty taker at previous club Lille, scoring nine times from the spot in Ligue 1 last season, but Emery confirmed Auba - who netted four penalties of his own in 2018/19 - remains our designated taker.
"Yes, it's Aubameyang who is responsible for penalties," our head coach said after the game. "Also Lacazette, and today for me is a very big decision from Aubameyang to let Pepe shoot to give him confidence and the possibility to score.