diff --git a/types/tus-js-client/index.d.ts b/types/tus-js-client/index.d.ts
index defb27fea0..4cbb34a818 100644
--- a/types/tus-js-client/index.d.ts
+++ b/types/tus-js-client/index.d.ts
@@ -6,7 +6,7 @@
 
 export interface UploadOptions {
     endpoint: string;
-    fingerprint?: string;
+    fingerprint?: (file: File, options?: UploadOptions) => string;
     resume?: boolean;
     metadata?: { [key: string]: string };
     onProgress?: ((bytesSent: number, bytesTotal: number) => void) | null;
diff --git a/types/tus-js-client/tus-js-client-tests.ts b/types/tus-js-client/tus-js-client-tests.ts
index a13d9da12f..237f1df233 100644
--- a/types/tus-js-client/tus-js-client-tests.ts
+++ b/types/tus-js-client/tus-js-client-tests.ts
@@ -10,7 +10,7 @@ const file = new File(["foo"], "foo.txt", {
 
 const upload = new Tus.Upload(file, {
     endpoint: "",
-    fingerprint: "fingerprint",
+    fingerprint: (file: File) => file.name,
     resume: true,
     metadata: {
         filename: "foo.txt"