diff --git a/src/js/i18n/i18n.ts b/src/js/i18n/i18n.ts
index 6b9af76..5649d3c 100644
--- a/src/js/i18n/i18n.ts
+++ b/src/js/i18n/i18n.ts
@@ -209,7 +209,7 @@ export const rewriteLinks = (): void => {
     }
 
     const langPrefixRegex = new RegExp(
-      `^(${basePath.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')})?/(en|fr|es|de|zh|zh-TW|vi|tr|id|it|pt|nl)(/|$)`
+      `^(${basePath.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')})?/?(en|fr|es|de|zh|zh-TW|vi|tr|id|it|pt|nl)(/|$)`
     );
     if (langPrefixRegex.test(href)) {
       return;