diff --git a/lib/documents.ts b/lib/documents.ts
index a4b0619..03e8958 100644
--- a/lib/documents.ts
+++ b/lib/documents.ts
@@ -30,6 +30,7 @@ export async function getDocuments(): Promise<Document[]> {
 
   const headers = new Headers();
   headers.append("Accept", "application/json");
+  headers.append("X-Sync-Mode", "true");
   log.debug("fetching all documents");
   const response = await fetch(`${SILVERBULLET_SERVER}/index.json`, {
     headers: headers,