diff --git a/examples/blog/src/components/FormattedDate.astro b/examples/blog/src/components/FormattedDate.astro
index 9d51dc5fc9..1a40fbc091 100644
--- a/examples/blog/src/components/FormattedDate.astro
+++ b/examples/blog/src/components/FormattedDate.astro
@@ -1,4 +1,8 @@
 ---
+export interface Props {
+	date: Date;
+}
+
 const { date } = Astro.props;
 ---