diff --git a/web/proxy.ts b/web/proxy.ts
index af9b290025..7560021874 100644
--- a/web/proxy.ts
+++ b/web/proxy.ts
@@ -24,7 +24,7 @@ export function proxy(request: NextRequest) {
     },
   })
 
-  const isWhiteListEnabled = !!env.NEXT_PUBLIC_CSP_WHITELIST && process.env.NODE_ENV === 'production'
+  const isWhiteListEnabled = !(!!env.NEXT_PUBLIC_CSP_WHITELIST && process.env.NODE_ENV === 'production')
   if (!isWhiteListEnabled)
     return wrapResponseWithXFrameOptions(response, pathname)