diff --git a/types/cropperjs/index.d.ts b/types/cropperjs/index.d.ts
index d7be9dbc39..d444c20705 100644
--- a/types/cropperjs/index.d.ts
+++ b/types/cropperjs/index.d.ts
@@ -426,9 +426,9 @@ declare class cropperjs {
     /**
      * Replace the image's src and rebuild the cropper.
      * @param url A new image url
-     * @param hasSameSize If the new image has the same size with the old one, then it will not rebuilt the cropper and only update the urls of all related images.
+     * @param hasSameSize If the new image has the same size with the old one, then it will not rebuilt the cropper and only update the urls of all related images. (Default: false)
      */
-    replace(url: string, hasSameSize: boolean = false): void;
+    replace(url: string, hasSameSize?: boolean): void;
 
     /**
      * Enable (unfreeze) the cropper.