diff --git a/app/components/Header.tsx b/app/components/Header.tsx
index 54604d1..95ac994 100644
--- a/app/components/Header.tsx
+++ b/app/components/Header.tsx
@@ -48,8 +48,11 @@ const Header = () => {
     try {
       const pathWithoutLocale = pathname.replace(new RegExp(`^/${locale}`), "") || "";
       const hash = typeof window !== "undefined" ? window.location.hash : "";
+      // Rely on middleware to persist NEXT_LOCALE cookie.
+      // Avoid setting cookies from the client here; in some environments this can throw
+      // and prevent navigation.
       router.push(`/${nextLocale}${pathWithoutLocale}${hash}`);
-      document.cookie = `NEXT_LOCALE=${nextLocale}; path=/`;
+      router.refresh();
     } catch {
       // ignore
     }