diff --git a/frontend/src/routes/conversations/+page.svelte b/frontend/src/routes/conversations/+page.svelte
index 685df600..3b9051a2 100644
--- a/frontend/src/routes/conversations/+page.svelte
+++ b/frontend/src/routes/conversations/+page.svelte
@@ -253,7 +253,7 @@
 											: 'text-gray-500'}"
 									>
 										<span class="flex items-center">
-											{doc.documentDate || '—'}
+											{doc.documentDate ? new Intl.DateTimeFormat('de-DE', { day: 'numeric', month: 'long', year: 'numeric' }).format(new Date(doc.documentDate + 'T12:00:00')) : '—'}
 										</span>
 										{#if doc.location}
 											<span class="flex items-center">