diff --git a/docker/schwarzesbrett/src/lib/api.ts b/docker/schwarzesbrett/src/lib/api.ts
index 63607f5..75fba0c 100644
--- a/docker/schwarzesbrett/src/lib/api.ts
+++ b/docker/schwarzesbrett/src/lib/api.ts
@@ -26,5 +26,5 @@ export async function fetchData(): Promise<Data> {
 }
 
 export function generateContentURL(content: string): URL {
-  return new URL(encodeURIComponent(content), CONTENT_ROOT_URL);
+  return new URL(`/${encodeURIComponent(content)}`, CONTENT_ROOT_URL);
 }