Andres Flores-Martinez (“Flores”) appeals from his 30-month prison sentence, following his guilty-plea conviction of illegally reentering the United States, in violation of 8 U.S.C. § 1326(a) and (b). Flores raises arguments that are foreclosed by Almendarez-Torres v. United States, 523 U.S. 224, 235, 118 S.Ct. 1219, 140 L.Ed.2d 350 (1998), which held that a prior conviction is a sentencing factor under 8 U.S.C. § 1326(b)(2) and not a separate criminal offense. Flores also concedes that his unpreserved challenge to his sentence under United States v. Booker, — U.S. -, 125 S.Ct. 738, 160 L.Ed.2d 621 (2005), is meritless, because he cannot show that his “substantial rights” were affected under the standard set forth in United States v. Mares, 402 F.3d 511, 520-21 (5th Cir. 2005), petition for cert. filed (Mar. 31, 2005) (No. 04-9517).

The Government’s motion for summary affirmance is GRANTED, and the judgment of the district court is AFFIRMED.