diff --git a/src/components/HeaderLink.astro b/src/components/HeaderLink.astro
index 1fd1b56..3b6ccf2 100644
--- a/src/components/HeaderLink.astro
+++ b/src/components/HeaderLink.astro
@@ -1,6 +1,6 @@
---
const { href, class: className, ...props } = Astro.props;
-let isActive;
+let isActive: boolean;
if (href === "/") {
isActive = Astro.url.pathname === href;
@@ -13,6 +13,7 @@ if (href === "/") {
+