diff --git a/src/client/app/router.ts b/src/client/app/router.ts
index 42f12021..2be95f09 100644
--- a/src/client/app/router.ts
+++ b/src/client/app/router.ts
@@ -187,10 +187,13 @@ export function createRouter(
               search === currentUrl.search
             ) {
               // scroll between hash anchors in the same page
-              if (hash && hash !== currentUrl.hash) {
-                history.pushState(null, '', hash)
-                // still emit the event so we can listen to it in themes
-                window.dispatchEvent(new Event('hashchange'))
+              if (hash) {
+                // avoid duplicate history entries when the hash is same
+                if (hash !== currentUrl.hash) {
+                  history.pushState(null, '', hash)
+                  // still emit the event so we can listen to it in themes
+                  window.dispatchEvent(new Event('hashchange'))
+                }
                 // use smooth scroll when clicking on header anchor links
                 scrollTo(link, hash, link.classList.contains('header-anchor'))
               }