diff --git a/wp-admin/includes/media.php b/wp-admin/includes/media.php
index 686e77f089..030eb312f9 100644
--- a/wp-admin/includes/media.php
+++ b/wp-admin/includes/media.php
@@ -102,7 +102,7 @@ function media_handle_upload($file_id, $post_id, $post_data = array()) {
 	$file = wp_handle_upload($_FILES[$file_id], $overrides);
 
 	if ( isset($file['error']) )
-		return new wp_error( 'upload_error', $file['error'] );
+		return new WP_Error( 'upload_error', $file['error'] );
 
 	$url = $file['url'];
 	$type = $file['type'];
@@ -142,7 +142,7 @@ function media_handle_sideload($file_array, $post_id, $desc = null, $post_data =
 	$file = wp_handle_sideload($file_array, $overrides);
 
 	if ( isset($file['error']) )
-		return new wp_error( 'upload_error', $file['error'] );
+		return new WP_Error( 'upload_error', $file['error'] );
 
 	$url = $file['url'];
 	$type = $file['type'];