diff --git a/test/storybook.test.js b/test/storybook.test.js
index 4f09ff1d..30f43a0f 100644
--- a/test/storybook.test.js
+++ b/test/storybook.test.js
@@ -147,7 +147,7 @@ describe('percy storybook', () => {
   it('errors when the storybook page errors', async () => {
     server.reply('/iframe.html', () => [200, 'text/html', [
       `<script>__STORYBOOK_PREVIEW__ = { async extract() {}, ${
-        'channel: { emit() {}, on: (a, c) => a === "storyErrored" && c(new Error("Story Error")) }'
+        'channel: { emit() {}, on: (a, c) => a === "storyErrored" && c() }'
       } }</script>`,
       `<script>__STORYBOOK_STORY_STORE__ = { raw: () => ${JSON.stringify([
         { id: '1', kind: 'foo', name: 'bar' }
@@ -177,7 +177,7 @@ describe('percy storybook', () => {
     it('skips the story and logs the error but does not break build', async () => {
       server.reply('/iframe.html', () => [200, 'text/html', [
         `<script>__STORYBOOK_PREVIEW__ = { async extract() {}, ${
-          'channel: { emit() {}, on: (a, c) => a === "storyErrored" && c(new Error("Story Error")) }'
+          'channel: { emit() {}, on: (a, c) => a === "storyErrored" && c() }'
         } }</script>`,
         `<script>__STORYBOOK_STORY_STORE__ = { raw: () => ${JSON.stringify([
           { id: '1', kind: 'foo', name: 'bar' }