diff --git a/src/node.ts b/src/node.ts
index 766e485a..0a823575 100644
--- a/src/node.ts
+++ b/src/node.ts
@@ -357,7 +357,7 @@ export class File {
    * Hard link that this file opened.
    * @type {any}
    */
-  link: Link = null;
+  link: Link;
 
   /**
    * Reference to a `Node`.