July 7, 2015 11:54 AM EDT

A patron at the Booth Theatre jumped onto the stage during a live performance of Hand to God and attempted to plug a phone into an outlet, prompting one stunned performer to tweet some helpful advice on theater etiquette:

Actor Marc Kudisch was responding to an incident Friday, just after the curtains were raised, in which a patron evidently mistook a stage prop outlet for an actual outlet. The offender was heckled back to his seat.

The play was interrupted with an announcement explaining why charging one’s cellphone onstage was bad etiquette.

Write to Tanya Basu at tanya.basu@time.com.

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