From 9ed60778e40678fed2f3202318fb030fb06ef455 Mon Sep 17 00:00:00 2001
From: Valentin Palkovic <valentin@chromatic.com>
Date: Fri, 22 Nov 2024 15:19:23 +0100
Subject: [PATCH] Fix environment usage in preview file

---
 code/addons/a11y/src/preview.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/code/addons/a11y/src/preview.tsx b/code/addons/a11y/src/preview.tsx
index 8ca566dc190..da554a9320e 100644
--- a/code/addons/a11y/src/preview.tsx
+++ b/code/addons/a11y/src/preview.tsx
@@ -11,7 +11,7 @@ expect.extend(matchers);
 
 // @ts-expect-error - ignore
 // todo: check in webpack environments
-const isVitestStandaloneRun = import.meta?.env?.STORYBOOK !== 'true';
+const isVitestStandaloneRun = import.meta?.env?.STORYBOOK && import.meta?.env?.STORYBOOK !== 'true';
 
 export const afterEach = async ({ reporting, parameters, globals, id }: StoryContext) => {
   const a11yParameter: A11yParameters | undefined = parameters.a11y;