We affirm the judgment of the trial court, but we remand this case for resen-tencing of appellant. The present sentence does not specifically set forth the period of credit time to be allowed as Section 921.-161(1), Florida Statutes (1975), requires. Smith v. State, 310 So.2d 770 (Fla.2d DCA 1975). The appellant does not have to be present at resentencing.