diff --git a/src/components/Loader/Loader.stories.tsx b/src/components/Loader/Loader.stories.tsx
index 2c5db15..1380c15 100644
--- a/src/components/Loader/Loader.stories.tsx
+++ b/src/components/Loader/Loader.stories.tsx
@@ -10,7 +10,7 @@ export default {
       control: 'text',
     },
     size: {
-      options: ['undefined', 'l', 'm', 's'],
+      options: [undefined, 'l', 'm', 's'],
       mapping: ['undefined', 'l', 'm', 's'],
       control: 'select'
     },