1 files changed, 3 insertions, 2 deletions
diff --git a/ext/node/polyfills/_fs/_fs_ftruncate.ts b/ext/node/polyfills/_fs/_fs_ftruncate.ts
index 8a00cac4c..71186e868 100644
--- a/ext/node/polyfills/_fs/_fs_ftruncate.ts
+++ b/ext/node/polyfills/_fs/_fs_ftruncate.ts
@@ -4,6 +4,7 @@
 // deno-lint-ignore-file prefer-primordials
 
 import { CallbackWithError } from "ext:deno_node/_fs/_fs_common.ts";
+import { FsFile } from "ext:deno_fs/30_fs.js";
 
 export function ftruncate(
   fd: number,
@@ -19,9 +20,9 @@ export function ftruncate(
 
   if (!callback) throw new Error("No callback function supplied");
 
-  Deno.ftruncate(fd, len).then(() => callback(null), callback);
+  new FsFile(fd).truncate(len).then(() => callback(null), callback);
 }
 
 export function ftruncateSync(fd: number, len?: number) {
-  Deno.ftruncateSync(fd, len);
+  new FsFile(fd).truncateSync(len);
 }