Oliver Glasner admitted 'mixed feelings' after Frankfurt's draw with Antwerp.
Glasner's troops broke the deadlock, but then fell behind 1-2 before Goncalo Paciencia salvaged a draw in injury time.
"I have mixed feelings. Of course I'm pleased that we came from behind late on. You could tell that we really wanted to win the game," said Glasner.
"We had a good first half but then conceded an avoidable equaliser. In the second half we weren't quite as fluid and got impatient, gave the ball away too cheaply a few times and it became frantic.
"The fact that we don't give up and keep going forward has set us apart all season. I had the feeling we'd still come back. It could still be a very important point."
With one game left to play, Frankfurt sit top of Group D and will confirm their top spot if they don't lose against Fenerbahce next month.