trying workaround

src/components/navbarEntry.astro

@@ -9,16 +9,19 @@ export interface Props {
 const {icon, text, link, currentPage } = Astro.props;
 
 let currPage = "";
+const slug = link.replace(new RegExp('/', 'g'), "")
 
-if (currentPage === link.replace(new RegExp('/', 'g'), "")) {
+if (currentPage === slug) {
     currPage = "current"
 } else if (currentPage === "home" && link === "/") {
     currPage = "current"
 }
+
+const fulllink = `${Astro.site}/${slug}`;
 ---
 
 <li>
-    <a href={link} rel="noopener noreferrer" aria-label={text} class={currPage}>
+    <a href={fulllink} rel="noopener noreferrer" aria-label={text} class={currPage}>
         <i class={icon}></i>
         {text}
     </a>