1 files changed, 3 insertions, 2 deletions
diff --git a/ext/node/polyfills/_fs/_fs_fdatasync.ts b/ext/node/polyfills/_fs/_fs_fdatasync.ts
index f6ed4a39b..482b4378c 100644
--- a/ext/node/polyfills/_fs/_fs_fdatasync.ts
+++ b/ext/node/polyfills/_fs/_fs_fdatasync.ts
@@ -4,14 +4,15 @@
 // 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 fdatasync(
   fd: number,
   callback: CallbackWithError,
 ) {
-  Deno.fdatasync(fd).then(() => callback(null), callback);
+  new FsFile(fd).dataSync().then(() => callback(null), callback);
 }
 
 export function fdatasyncSync(fd: number) {
-  Deno.fdatasyncSync(fd);
+  new FsFile(fd).dataSyncSync();
 }