Nevertheless, they managed to avoid a hefty penalty by only receiving a fine of 10,000 euros ($10,400, £8,340) for their involvement in lighting fireworks and throwing objects.
"As we had said previously, Celtic made every effort to ensure that our fans could attend this match, and we are pleased that UEFA has considered our detailed submission," Celtic said in a statement.
"We can also confirm that the original suspended sentence remains in place, as a result of the previous use of pyrotechnics, most recently at the match against Borussia Dortmund, by a small minority of supporters.
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"Again we must make it very clear that pyrotechnics have absolutely no place at our matches and should further incidents occur, then clearly, once again, there is an extremely high risk of our supporters not being permitted access to future matches."
(Except for the headline, this story has not been edited by staff and is published from a syndicated feed.)