This is to allow his fellow midfielders more freedom on the pitch, the Dutch international has said.
Liverpool have started their Premier League campaign with a comfortable 4-0 victory over West Ham United in Sunday's clash at Anfield.
The Dutchman, signed last week from Southampton for a reported fee of 75 million pounds, rose inside the area to head home an Alex Oxlade-Chamberlain corner kick.
The News Agency of Nigeria reports that Philippe Coutinho put Liverpool ahead at Anfield after six minutes and Firmino doubled the lead shortly after halftime.
His worry is that things could get worse for his English Premier League side if they fail to get it right in the transfer market in January.