diff --git a/wp-admin/includes/media.php b/wp-admin/includes/media.php
index 63807f71de..35aa7914c7 100644
--- a/wp-admin/includes/media.php
+++ b/wp-admin/includes/media.php
@@ -289,7 +289,7 @@ function media_handle_upload($file_id, $post_id, $post_data = array(), $override
 	$url = $file['url'];
 	$type = $file['type'];
 	$file = $file['file'];
-	$title = $basename;
+	$title = sanitize_title( $basename );
 	$content = '';
 	$excerpt = '';
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 0a96a6ba6c..ff2113eb5a 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.7-alpha-38536';
+$wp_version = '4.7-alpha-38538';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.