Ticket #41726: 41726.diff

wp-admin/includes/media.php

@@ -378 +378 @@
         unset( $attachment['ID'] );
 
         // Save the data
-        $id = wp_insert_attachment($attachment, $file, $post_id);
+        $id = wp_insert_attachment( $attachment, $file, $post_id, true );
         if ( !is_wp_error($id) ) {
                 wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $file ) );
         }