He said: "There were situations when I went looking for the blonde on the field to make the difference, but it wasn't to be. We were unfortunate not to have him available, but I was pleased with the way everyone played.
"Although yes, I thought we missed him."
Schuster went on: "We controlled them well and deserved to win. We kept possession, but leave two points here.
"I'm not worried about not scoring in our second consecutive game. We're capable of scoring in any game. It's no concern.
"The Olympiacos crowd is feared across Europe because of the atmosphere they create. But I believed we silenced them tonight because of the way we played."