diff --git a/src/wp-includes/formatting.php b/src/wp-includes/formatting.php
index abbf18c3b74d2..109aabb5115fc 100644
--- a/src/wp-includes/formatting.php
+++ b/src/wp-includes/formatting.php
@@ -2033,6 +2033,7 @@ function remove_accents( $text, $locale = '' ) {
  * @return string The sanitized filename.
  */
 function sanitize_file_name( $filename ) {
+	$filename     = urldecode( $filename );
 	$filename_raw = $filename;
 	$filename     = remove_accents( $filename );