Chris Ashton blamed '10 seconds of madness' after Toulon were dumped out of the Champions Cup by Munster.
Referee Nigel Owens was criticised for denying Ashton an early score before Ireland winger Andrew Conway snatched victory to set up a semi-final against Clermont or Racing 92.
Capitalising on a loose clearance kick by Francois Trinh-Duc, Conway plucked the ball from above his head and blitzed past three defenders to run under the posts in the 76th minute.
Andrew Conway's late try helped Munster to victory over Toulon at Thomond ParkiPhone transfer software
'I looked at the clock on 76 minutes and thought we were going to be able to do it,' said Ashton. 'All we had to do is put the ball in touch. It was 10 seconds of madness that changed the course of our European competition.'
Having scored 21 tries in this season's Top 14, the exiled England