diff --git a/packages/backend/test/e2e/2fa.ts b/packages/backend/test/e2e/2fa.ts
index 63430c2e3e..48e1bababb 100644
--- a/packages/backend/test/e2e/2fa.ts
+++ b/packages/backend/test/e2e/2fa.ts
@@ -136,7 +136,7 @@ describe('2要素認証', () => {
 		keyName: string,
 		credentialId: Buffer,
 		requestOptions: PublicKeyCredentialRequestOptionsJSON,
-	}): misskey.entities.SigninRequest => {
+	}): misskey.entities.SigninFlowRequest => {
 		// AuthenticatorAssertionResponse.authenticatorData
 		// https://developer.mozilla.org/en-US/docs/Web/API/AuthenticatorAssertionResponse/authenticatorData
 		const authenticatorData = Buffer.concat([