diff --git a/addon/modifiers/sound-position-progress.js b/addon/modifiers/sound-position-progress.js
index 3a045ff7..6c68f073 100644
--- a/addon/modifiers/sound-position-progress.js
+++ b/addon/modifiers/sound-position-progress.js
@@ -60,8 +60,8 @@ export default class SoundPositionProgressModifier extends Modifier {
       yield timeout(100);
 
       let result = yield race([
-        waitForEvent(this.stereo, 'audio-position-will-change'),
-        waitForEvent(this.stereo, 'audio-position-changed'),
+        waitForEvent(this.loadedSound, 'audio-position-will-change'),
+        waitForEvent(this.loadedSound, 'audio-position-changed'),
         waitForProperty(
           this,
           'loadedSound',
diff --git a/tests/integration/modifiers/sound-position-progress-test.js b/tests/integration/modifiers/sound-position-progress-test.js
index 6d3c503a..917aa727 100644
--- a/tests/integration/modifiers/sound-position-progress-test.js
+++ b/tests/integration/modifiers/sound-position-progress-test.js
@@ -1,14 +1,53 @@
 import { module, test } from 'qunit';
 import { setupRenderingTest } from 'ember-qunit';
-import { render } from '@ember/test-helpers';
+import { render, settled } from '@ember/test-helpers';
 import { hbs } from 'ember-cli-htmlbars';
+import { setupStereoTest } from 'ember-stereo/test-support/stereo-setup';
 
 module('Integration | Modifier | sound-position-progress', function (hooks) {
   setupRenderingTest(hooks);
+  setupStereoTest(hooks);
 
-  test('it renders', async function (assert) {
-    await render(hbs`<div {{sound-position-progress}}></div>`);
+  test('it renders position of one sound', async function (assert) {
+    this.url1 = '/good/10000/one.mp3';
+    this.url2 = '/good/10000/two.mp3';
 
-    assert.ok(true);
+    await render(
+      hbs`
+        <div data-url='{{this.url1}}' {{sound-position-progress this.url1}}>one</div>
+        <div data-url='{{this.url2}}' {{sound-position-progress this.url2}}>two</div>
+        `
+    );
+
+    let service = this.owner.lookup('service:stereo');
+    let { sound: sound1 } = await service.load(this.url1);
+    let { sound: sound2 } = await service.load(this.url2);
+
+    assert.dom('[data-sound-position-progress]').exists({ count: 2 });
+
+    assert.dom(`[data-url='${this.url1}']`).hasStyle({ width: '0px' });
+    assert.dom(`[data-url='${this.url2}']`).hasStyle({ width: '0px' });
+
+    sound1.position = 2000;
+
+    await settled();
+
+    assert
+      .dom(`[data-url='${this.url1}']`)
+      .hasAttribute('style', 'width: 20%; pointer-events: none;');
+    assert
+      .dom(`[data-url='${this.url2}']`)
+      .hasAttribute('style', 'width: 0%; pointer-events: none;');
+
+    sound2.position = 8000;
+
+    await settled();
+
+    assert
+      .dom(`[data-url='${this.url1}']`)
+      .hasAttribute('style', 'width: 20%; pointer-events: none;');
+    assert
+      .dom(`[data-url='${this.url2}']`)
+      .hasAttribute('style', 'width: 80%; pointer-events: none;');
   });
 });