diff --git a/packages/fetch-hooks/__tests__/compose.ts b/packages/fetch-hooks/__tests__/compose.ts
index f9aa717..31e3b24 100644
--- a/packages/fetch-hooks/__tests__/compose.ts
+++ b/packages/fetch-hooks/__tests__/compose.ts
@@ -6,7 +6,6 @@ import { appendHeader } from '../src/request';
 
 test("compose", async () => {
     const fakeFetch = fetchMock.sandbox();
-    global.Request = fakeFetch.config.Request as any;
 
     const testHeader = "X-Test";
 
@@ -29,7 +28,7 @@ test("compose", async () => {
 
     expect(response.ok).toBe(true);
     expect(await response.json()).toEqual({
-        test: "1,2,3"
+        test: "1, 2, 3"
     })
 
 })
diff --git a/packages/fetch-hooks/__tests__/hook.ts b/packages/fetch-hooks/__tests__/hook.ts
index faf0e7c..679f757 100644
--- a/packages/fetch-hooks/__tests__/hook.ts
+++ b/packages/fetch-hooks/__tests__/hook.ts
@@ -6,7 +6,6 @@ import { DuplicateInvocationError, FetchHookInvocationImpl } from '../src/hook/i
 
 describe("hook", () => {
     const fakeFetch = fetchMock.sandbox();
-    global.Request = fakeFetch.config.Request as any;
 
     fakeFetch.post("http://localhost/length", async (_url, {headers, body}) => {
         const h = new Headers(headers)
@@ -71,8 +70,9 @@ describe("hook", () => {
                     "X-Loopback": "true"
                 },
                 method: "POST",
-                body: request.body
-            })
+                body: request.body,
+                duplex: "half" // This is required when a stream is sent, but it is not part of the types yet
+            } as unknown as RequestInit)
             return next(newRequest);
         });
 
diff --git a/packages/fetch-hooks/__tests__/request.ts b/packages/fetch-hooks/__tests__/request.ts
index 6aaf767..e2f7195 100644
--- a/packages/fetch-hooks/__tests__/request.ts
+++ b/packages/fetch-hooks/__tests__/request.ts
@@ -5,7 +5,6 @@ import { setHeader } from '../src/request';
 
 describe("setHeader", () => {
     const fakeFetch = fetchMock.sandbox();
-    global.Request = fakeFetch.config.Request as any;
 
     const testHeader = "X-Test";