diff --git a/app/app/src/pages/document/[document].astro b/app/app/src/pages/document/[document].astro
index d9740c4..5ce200e 100644
--- a/app/app/src/pages/document/[document].astro
+++ b/app/app/src/pages/document/[document].astro
@@ -25,7 +25,7 @@ const { entry } = Astro.props
 const { Content, headings } = await render(entry)
 ---
 
-<Layout title={headings[0].text}>
+<Layout title={headings[0]?.text}>
 
 	<RenderDocument data={entry.data}>
 		<Content />
diff --git a/app/app/src/pages/private-document/[document].astro b/app/app/src/pages/private-document/[document].astro
index f3f8892..0f27acf 100644
--- a/app/app/src/pages/private-document/[document].astro
+++ b/app/app/src/pages/private-document/[document].astro
@@ -25,7 +25,7 @@ const { entry } = Astro.props
 const { Content, headings } = await render(entry)
 ---
 
-<Layout title={headings[0].text}>
+<Layout title={headings[0]?.text}>
 
 	<RenderDocument data={entry.data}>
 		<Content />