diff --git a/docs/src/components/PageTitle.astro b/docs/src/components/PageTitle.astro
index 6ed177c..3b6cb5f 100644
--- a/docs/src/components/PageTitle.astro
+++ b/docs/src/components/PageTitle.astro
@@ -2,7 +2,7 @@
 import type { Props } from '@astrojs/starlight/props';
 import Default from '@astrojs/starlight/components/PageTitle.astro';
 
-const {label: challengeLabel, number: challengeNumber} = Astro.props.entry.data.challenge;
+const {label: challengeLabel, number: challengeNumber} = Astro.props.entry.data.challenge ?? {};
 
 ---