Jerry Allen Bailey, a federal prisoner, seeks to appeal the district court’s order that construed his petition for a writ of error coram nobis as a motion under 28 U.S.C. § 2255 (2000) and dismissed it as a successive motion for which authorization had not been obtained. We find the district court properly construed the motion as one under § 2255. See Raines v. Unit *178 ed States, 423 F.2d 526, 528 & n. 1 (4th Cir. 1970); see also Gonzalez v. Crosby, — U.S. ---,-, 125 S.Ct. 2641, 2647, 162 L.Ed.2d 480 (2005) (when a motion is “in substance a successive habeas petition,” it “should be treated accordingly”). 1

Because Bailey’s petition was properly construed as a § 2255 motion, the order dismissing the motion is not appealable unless a circuit justice or judge issues a certificate of appealability. 28 U.S.C. § 2253(c)(1) (2000); Jones v. Braxton, 392 F.3d 683 (4th Cir. 2004). A certificate of appealability will not issue absent “a substantial showing of the denial of a constitutional right.” 28 U.S.C. § 2253(c)(2) (2000). A prisoner satisfies this standard by demonstrating that reasonable jurists would find that any assessment of his constitutional claims by the district court is debatable or wrong and that any dispositive procedural ruling by the district court is likewise debatable. See Miller-El v. Cockrell, 537 U.S. 322, 336-38, 123 S.Ct. 1029, 154 L.Ed.2d 931 (2003); Slack v. McDaniel, 529 U.S. 473, 484, 120 S.Ct. 1595, 146 L.Ed.2d 542 (2000); Rose v. Lee, 252 F.3d 676, 683-84 (4th Cir. 2001). We have independently reviewed the record and conclude that Bailey has not made the requisite showing. 2 Accordingly, we deny a certificate of appealability and dismiss the appeal. We dispense with oral argument because the facts and legal contentions are adequately presented in the materials before the court and argument would not aid the decisional process.

DISMISSED