diff --git a/lib/private/util.php b/lib/private/util.php
index 004e82d7d2691eeae95fbdcd71538a13b9bb204d..d5c44795e1029172a7f0704ce4b825a0150d30e7 100755
--- a/lib/private/util.php
+++ b/lib/private/util.php
@@ -109,7 +109,7 @@ class OC_Util {
 	 * @param string $target
 	 * @return void
 	 */
-	function copyr($source,$target) {
+	public static function copyr($source,$target) {
 		$dir = opendir($source);
 		@mkdir($target);
 		while(false !== ( $file = readdir($dir)) ) {