Index: wp-includes/functions.php
===================================================================
--- wp-includes/functions.php	(Revision 46578)
+++ wp-includes/functions.php	(Arbeitskopie)
@@ -2308,7 +2308,7 @@
 	 * We also sometimes obey UPLOADS when rewriting is enabled -- see the next block.
 	 */
 	if ( defined( 'UPLOADS' ) && ! ( is_multisite() && get_site_option( 'ms_files_rewriting' ) ) ) {
-		$dir = ABSPATH . UPLOADS;
+		$dir = realpath( ABSPATH . UPLOADS );
 		$url = trailingslashit( $siteurl ) . UPLOADS;
 	}
 
@@ -2352,7 +2352,7 @@
 			if ( defined( 'BLOGUPLOADDIR' ) ) {
 				$dir = untrailingslashit( BLOGUPLOADDIR );
 			} else {
-				$dir = ABSPATH . UPLOADS;
+				$dir = realpath( ABSPATH . UPLOADS );
 			}
 			$url = trailingslashit( $siteurl ) . 'files';
 		}