Fellaini has been playing further forward for Manchester United in recent weeks.
The Belgium international has two goals in his last five appearances including the crucial equaliser in the 1-1 draw with Liverpool.
And the midfielder admits his recent strikes have given him confidence.
Manchester United star Marouane Fellaini insists he has his confidence back
"I’ve played forward more, which is good," Fellaini told MUTV.
"I’ve been scoring for the team so hopefully I can keep going.
"I have to give everything when the manager gives me that chance.
Man United stars snapped arriving at Carrington as Watford preparations continue
Thu, February 9, 2017
Manchester United players arrive for training… but one player doesn't want to be seen!
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Jose Mourinho didn't look too excited as he was driven to Carrington
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Manchester United star Marouane Fellaini celebrates after scoring against Wigan
"It’s good for my confidence.
"It’s always good to score a goal."
Fellaini signed a contract extension last month, keeping him at Old Trafford until 2018.