diff --git a/examples/addon.node/__test__/whisper.spec.js b/examples/addon.node/__test__/whisper.spec.js
index b7d3540..a8088b4 100644
--- a/examples/addon.node/__test__/whisper.spec.js
+++ b/examples/addon.node/__test__/whisper.spec.js
@@ -1,15 +1,22 @@
-const path = require('path');
-const { whisper } = require(path.join(__dirname, '../../../build/Release/whisper-addon'));
+const path = require("path");
+const { whisper } = require(path.join(
+  __dirname,
+  "../../../build/Release/whisper-addon"
+));
+const { promisify } = require("util");
+
+const whisperAsync = promisify(whisper);
 
 const whisperParamsMock = {
-    language: 'en',
-    model: path.join(__dirname, '../../../models/ggml-base.en.bin'),
-    fname_inp: path.join(__dirname, '../../../samples/jfk.wav'),
+  language: "en",
+  model: path.join(__dirname, "../../../models/ggml-base.en.bin"),
+  fname_inp: path.join(__dirname, "../../../samples/jfk.wav"),
 };
 
 describe("Run whisper.node", () => {
+  test("it should receive a non-empty value", async () => {
+    let result = await whisperAsync(whisperParamsMock);
 
-    test("it should receive a non-empty value", () => {
-        expect(whisper(whisperParamsMock).length).toBeGreaterThan(0);
-    });
+    expect(result.length).toBeGreaterThan(0);
+  });
 });