diff --git a/tests/example-json-api/app/services/request-manager.ts b/tests/example-json-api/app/services/request-manager.ts
index 2f7bd3bd5c1..d9b9b20929f 100644
--- a/tests/example-json-api/app/services/request-manager.ts
+++ b/tests/example-json-api/app/services/request-manager.ts
@@ -1,6 +1,7 @@
 import { LegacyNetworkHandler } from '@ember-data/legacy-compat';
 import type { Handler, NextFn, RequestContext } from '@ember-data/request';
 import RequestManager from '@ember-data/request';
+import type { GenericCreateArgs } from '@ember-data/request/-private/types';
 import Fetch from '@ember-data/request/fetch';
 
 /* eslint-disable no-console */
@@ -14,7 +15,7 @@ const TestHandler: Handler = {
 };
 
 export default class Requests extends RequestManager {
-  constructor(args) {
+  constructor(args: GenericCreateArgs) {
     super(args);
     this.use([LegacyNetworkHandler, TestHandler, Fetch]);
   }