The 60-year-old has come under intense scrutiny of late after the Oranje's disappointing start to the tournament, with two defeats from two games.
|DRAMATIC DUTCH WIN?
|6/1||Holland are 17/2 with Bet365 to beat Portugal 2-1 on Sunday|
His decision to deploy two holding midfielders in the starting XI has received widespread criticism, and Van Marwijk has admitted that he will have to make some changes for the last group match.
"Normally we have a lot of creativity and we are fast at the front, but against Denmark and Germany it was not there," he told KNVB's official website.
"But this happens in football. We lost two games, so I have to change my squad for match against Portugal."