diff --git a/skills-review/app.js b/skills-review/app.js
index bdcfbd6..125bd98 100644
--- a/skills-review/app.js
+++ b/skills-review/app.js
@@ -278,7 +278,7 @@ function syncUrl() {
   else url.searchParams.delete('render');
   if (state.diff) url.searchParams.set('compare', 'diff');
   else url.searchParams.delete('compare');
-  history.pushState({}, '', url);
+  history.replaceState({}, '', url);
 }
 function selectFromUrl() {
   const params = new URLSearchParams(window.location.search);