diff --git a/wp-admin/admin-functions.php b/wp-admin/admin-functions.php
index 52896892b8..747551e2c8 100644
--- a/wp-admin/admin-functions.php
+++ b/wp-admin/admin-functions.php
@@ -1255,16 +1255,16 @@ function save_mod_rewrite_rules() {
 	$home_path = get_home_path();
 
 	if (!$wp_rewrite->using_mod_rewrite_permalinks() )
-		return;
+		return false;
 
 	if (!((!file_exists( $home_path.'.htaccess' ) && is_writable( $home_path ) ) || is_writable( $home_path.'.htaccess' ) ) )
-		return;
+		return false;
 
 	if (! got_mod_rewrite() )
-		return;
+		return false;
 
 	$rules = explode( "\n", $wp_rewrite->mod_rewrite_rules() );
-	insert_with_markers( $home_path.'.htaccess', 'WordPress', $rules );
+	return insert_with_markers( $home_path.'.htaccess', 'WordPress', $rules );
 }
 
 function get_broken_themes() {