diff --git a/src/index.ts b/src/index.ts
index 0b9f56df..5c7de0ca 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -967,7 +967,7 @@ export class FSWatcher extends EventEmitter {
  * @param options chokidar opts
  * @returns an instance of FSWatcher for chaining.
  */
-export const watch = (paths: string | string[], options: ChokidarOptions): FSWatcher => {
+export const watch = (paths: string | string[], options?: ChokidarOptions): FSWatcher => {
   const watcher = new FSWatcher(options);
   watcher.add(paths);
   return watcher;