diff --git a/packages/clients/src/scw/__tests__/client.ts b/packages/clients/src/scw/__tests__/client.ts
index f42f26aac..57cc66a25 100644
--- a/packages/clients/src/scw/__tests__/client.ts
+++ b/packages/clients/src/scw/__tests__/client.ts
@@ -7,6 +7,13 @@ const withApiURL =
   (apiURL: string): ClientConfig =>
   (obj: Settings): Settings => ({ ...obj, apiURL })
 
+const withPassthroughFetch =
+  (res: string): ClientConfig =>
+  (obj: Settings): Settings => ({
+    ...obj,
+    httpClient: () => Promise.resolve(new Response(res)),
+  })
+
 describe('createAdvancedClient', () => {
   it('initializes without throwing', () => {
     expect(() => {
@@ -52,6 +59,14 @@ describe('createAdvancedClient', () => {
     const client = createAdvancedClient(withApiURL(betaApiRoot))
     expect(client.settings.apiURL).toBe(betaApiRoot)
   })
+
+  it('contains override of httpClient', () => {
+    const client = createAdvancedClient(withPassthroughFetch('hello world'))
+
+    return expect(
+      client.settings.httpClient('any-url').then(obj => obj.text()),
+    ).resolves.toBe('hello world')
+  })
 })
 
 describe('createClient', () => {
diff --git a/packages/clients/src/scw/client.ts b/packages/clients/src/scw/client.ts
index 344e8e5e4..82bad7339 100644
--- a/packages/clients/src/scw/client.ts
+++ b/packages/clients/src/scw/client.ts
@@ -58,7 +58,7 @@ export const createAdvancedClient = (...configs: ClientConfig[]): Client => {
   getLogger().info(`init Scaleway SDK version ${version}`)
 
   return {
-    fetch: buildFetcher(settings, fetch),
+    fetch: buildFetcher(settings, settings.httpClient),
     settings,
   }
 }