diff --git a/src/wp-admin/includes/misc.php b/src/wp-admin/includes/misc.php
index 6b3e4a5347..910b6cdb27 100644
--- a/src/wp-admin/includes/misc.php
+++ b/src/wp-admin/includes/misc.php
@@ -252,7 +252,7 @@ function iis7_save_url_rewrite_rules() {
 
 	// Using win_is_writable() instead of is_writable() because of a bug in Windows PHP
 	if ( iis7_supports_permalinks() && ( ( ! file_exists( $web_config_file ) && win_is_writable( $home_path ) && $wp_rewrite->using_mod_rewrite_permalinks() ) || win_is_writable( $web_config_file ) ) ) {
-		$rule = $wp_rewrite->iis7_url_rewrite_rules( false, '', '' );
+		$rule = $wp_rewrite->iis7_url_rewrite_rules( false );
 		if ( ! empty( $rule ) ) {
 			return iis7_add_rewrite_rule( $web_config_file, $rule );
 		} else {