Hayes & Yeading United’s goalkeeper was still running back onto the pitch after receiving treatment when Hendon took a kick-off and scored directly from it.
Hayes & Yeading United beat Hendon 5-4 in a thrilling FA Cup third qualifying round tie at the SKYEx Community Stadium on Saturday.
After the hosts had scored, their goalkeeper ran to the halfway line to get some medical attention.
But, with him barely having stepped foot back onto the pitch, the referee blew his whistle so play could continue.
Hendon scored a long shot straight from the kick-off with the goalie not yet even in the penalty area.