diff --git a/src/layouts/PostDetails.astro b/src/layouts/PostDetails.astro
index 6ca8ea703..e3314c9a3 100644
--- a/src/layouts/PostDetails.astro
+++ b/src/layouts/PostDetails.astro
@@ -50,7 +50,7 @@ const layoutProps = {
   <div class="mx-auto flex w-full max-w-3xl justify-start px-2">
     <button
       class="focus-outline mb-2 mt-8 flex hover:opacity-75"
-      onclick="history.back()"
+      onclick="(() => (history.length === 1) ? window.location = '/' : history.back())()"
     >
       <svg xmlns="http://www.w3.org/2000/svg"
         ><path
@@ -111,7 +111,7 @@ const layoutProps = {
   function addHeadingLinks() {
     let headings = Array.from(document.querySelectorAll("h2, h3, h4, h5, h6"));
     for (let heading of headings) {
-      heading.classList.add("group")
+      heading.classList.add("group");
       let link = document.createElement("a");
       link.innerText = "#";
       link.className = "heading-link hidden group-hover:inline-block ml-2";