Manchester United manager David Moyes voiced concerned on Monday over his side's recent lack of goals in open play before their Champions League opener against Bayer Leverkusen.
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Their goals in Saturday's 2-0 win over Crystal Palace in the Premier League came from a Robin van Persie penalty and a Wayne Rooney free kick, while before that they lost 1-0 at Liverpool and drew 0-0 with Chelsea.
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"It's a little bit of a concern as we played well, we've had a lot of attacking entries into the opposition half so it's not for the want of trying," Moyes told a news conference on the eve of their Group A match at home to German side Leverkusen.
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"Sometimes it's a good thing because you don't want to use up all your goals all the time, you want to keep some of them and if we're winning without having to score too readily then that's great."
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As well as improving their attacking threat, United will also want to start rebuilding the reputation Old Trafford used to have as a fortress with the English champions having won only three of their last nine home fixtures in European competition.
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"It's something we would want to try and make better," Moyes said. "(We will) try and put on a good show and improve on that record.
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"The competition has become more open, it's not quite as predictable as maybe people thought it was a few years ago."
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United's European campaign ended in huge disappointment last season when they went out 3-2 on aggregate to Real Madrid in the last 16 following a controversial red card for Nani in the second leg at Old Trafford that turned the game.
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Defender Rio Ferdinand said they were keen to put memories of that behind them.
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"I don't think we need the extra drive or the motivation, we were all disappointed with what happened last season and how we went out but it's not something we'll sit and harp on about," he told the news conference.