diff --git a/ext/node/polyfills/internal/fs/handle.ts b/ext/node/polyfills/internal/fs/handle.ts
index 9ec0fc97e2..0e47f34c96 100644
--- a/ext/node/polyfills/internal/fs/handle.ts
+++ b/ext/node/polyfills/internal/fs/handle.ts
@@ -148,6 +148,10 @@ export class FileHandle extends EventEmitter {
   stat(options: { bigint: true }): Promise<BigIntStats>;
   stat(options?: { bigint: boolean }): Promise<Stats | BigIntStats> {
     return fsCall(promises.fstat, this, options);
+  };
+  // readLines(options?):Promise<InterfaceConstructor>
+  sync():Promise<void>{
+    return Promise.resolve(promises.sync());
   }
 }
 
diff --git a/tests/unit_node/_fs/_fs_handle_test.ts b/tests/unit_node/_fs/_fs_handle_test.ts
index e26b82aa06..2c6e5121fe 100644
--- a/tests/unit_node/_fs/_fs_handle_test.ts
+++ b/tests/unit_node/_fs/_fs_handle_test.ts
@@ -70,6 +70,7 @@ Deno.test("[node/fs filehandle.write] Write from Buffer", async function () {
 
   const buffer = Buffer.from("hello world");
   const res = await fileHandle.write(buffer, 0, 5, 0);
+  await fileHandle.sync();
 
   const data = Deno.readFileSync(tempFile);
   await Deno.remove(tempFile);