diff --git a/src/db/mod.ts b/src/db/mod.ts
index 7e0c739..ec64ebf 100644
--- a/src/db/mod.ts
+++ b/src/db/mod.ts
@@ -55,8 +55,9 @@ export class Db {
 			set: (ressources: T[]) => this.#set<T>(type, ressources),
 			delete: (ressources: Pick<T, 'uuid'>[]) =>
 				this.#delete<T>(type, ressources),
-			list: (filter: (ressource: T) => boolean = () => true) =>
-				this.#list<T>(type, Builder, filter),
+			list: (
+				filter: (ressource: T) => boolean | Promise<boolean> = () => true,
+			) => this.#list<T>(type, Builder, filter),
 		}
 	}