diff --git a/src/models/utils/ref.ts b/src/models/utils/ref.ts
index a78afeb..7b0a316 100644
--- a/src/models/utils/ref.ts
+++ b/src/models/utils/ref.ts
@@ -1,4 +1,4 @@
-import { Db } from '@/mod.ts'
+import type { Db } from '@/mod.ts'
 import type { UUID } from '@/types.ts'
 import {
 	Credential,
@@ -38,8 +38,9 @@ export class Ref<T extends Ressource> extends String {
 	}
 
 	static dbResolver(db: Db) {
-		return <T extends Ressource>(ref: RefString<T>) => {
+		return <T extends Ressource>(ref: RefString<T>): Promise<T> => {
 			const { type, uuid } = Ref.parse(ref)
+			//@ts-expect-error force type casting to fix
 			return db.ressource[type].get({ uuid })
 		}
 	}