diff --git a/src/utils.js b/src/utils.js
index 3ae765f6..3459fed0 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -247,9 +247,9 @@ export function evalSetCurrentStory({ waitFor }, story) {
     // resolve when rendered, reject on any other renderer event
     return new Promise((resolve, reject) => {
       channel.on('storyRendered', resolve);
-      channel.on('storyMissing', () => reject('Story Missing'));
-      channel.on('storyErrored', () => reject('Story Errored'));
-      channel.on('storyThrewException', () => reject('Story Threw Exception'));
+      channel.on('storyMissing', () => reject(new Error('Story Missing')));
+      channel.on('storyErrored', () => reject(new Error('Story Errored')));
+      channel.on('storyThrewException', () => reject(new Error('Story Threw Exception')));
     });
   });
 }