“Very happy of course,” Solskjaer told BT Sport.
“We’ve come through a very difficult tie against a fantastic club and we’ve overcome some difficulties.
“You give yourself a chance to win a game of football when you keep a clean sheet.
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“The first 10-15 minutes, we started well, kept control of the ball but it was like a switch – we turned off, kept giving away balls, bringing pressure on ourselves and we were lucky.
“Second half it always helps to have a world class player like Paul to make a difference and he did that. But we know we need to be better than tonight.
“It’s a very good win and the positive is that we are through, we have players coming back and the squad looks better.”