diff --git a/src/client/app/router.ts b/src/client/app/router.ts
index bce917765d95..b3b8deeb6f82 100644
--- a/src/client/app/router.ts
+++ b/src/client/app/router.ts
@@ -89,6 +89,15 @@ export function createRouter(
 
         if (inBrowser) {
           nextTick(() => {
+            let actualPathname = `/${__pageData.relativePath.replace(
+              /(?:(^|\/)index)?\.md$/,
+              '$1'
+            )}`
+            if (actualPathname !== targetLoc.pathname) {
+              targetLoc.pathname = actualPathname
+              history.replaceState(null, '', targetLoc)
+            }
+
             if (targetLoc.hash && !scrollPosition) {
               let target: HTMLElement | null = null
               try {