diff --git a/example/src/stories/Button.stories.tsx b/example/src/stories/Button.stories.tsx
index b59b37f..1e27ce0 100644
--- a/example/src/stories/Button.stories.tsx
+++ b/example/src/stories/Button.stories.tsx
@@ -18,6 +18,7 @@ export const Primary = Template.bind({});
 Primary.args = {
   children: 'foo',
   size: 'large',
+  primary: true,
 };
 
 export const Secondary = Template.bind({});