The Netherlands are in Group C along with France, Italy and Romania for Euro 2008, which kicks off on 7 June.
Van Basten, who has called up defender Khalid Boulahrouz as a replacement, also has a concern over the fitness of Arsenal striker Robin van Persie, who has been on the sidelines since joining the squad last week.
However, Van Persie is optimistic about making his side's opener against world champions Italy on 9 June.
"I am in the final phase of my recovery. I feel fit," Van Persie told NOS network.
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