diff --git a/frontend/src/routes/DocumentList.svelte b/frontend/src/routes/DocumentList.svelte
index 76f8195a..dad41528 100644
--- a/frontend/src/routes/DocumentList.svelte
+++ b/frontend/src/routes/DocumentList.svelte
@@ -7,6 +7,8 @@ import type { components } from '$lib/generated/api';
 
 type DocumentSearchItem = components['schemas']['DocumentSearchItem'];
 
+type SortMode = 'DATE' | 'TITLE' | 'SENDER' | 'RECEIVER' | 'UPLOAD_DATE' | 'RELEVANCE';
+
 let {
 	items,
 	canWrite,
@@ -20,7 +22,7 @@ let {
 	error?: string | null;
 	total?: number;
 	q?: string;
-	sort?: string;
+	sort?: SortMode;
 } = $props();
 
 const groups = $derived.by(() => {