Barcelona playmaker Andres Iniesta insists overcoming United in the Champions League will compensate for the Catalans' domestic struggles.

Frank Rijkaard's side have slipped to 10 points behind La Liga leaders Real Madrid, after a woeful run of just one league win in eight games. But, with Barca unbeaten in the Champions League since a 2-1 home defeat to Liverpool in February 2007, Iniesta is confident the Catalans will raise their game against United.

"It's very important for us to get to the final, and we have 180 minutes ahead of us to do so," he said after Saturday's goalless draw with Espanyol.

"We can do it, but we need to change our mindset for the two legs, and we can't afford to give anything away. The Champions League is another story. A good example is that after a terrible game in Seville against Betis, we were able to beat Schalke in Germany."

The Spanish international concedes that United's attacking talent concerns him, but feels that the Reds will also be pondering how best to handle the Catalans' forward verve.

"They have some great players who can change a game at any moment," he said. "I'm worried about them as a team, but not about any player in particular. They are a great side, and we'll have to be focused, but I think they will also be worried about us."