diff --git a/packages/utils/src/instrument/fetch.ts b/packages/utils/src/instrument/fetch.ts index afa209c01929..a161b8db79bb 100644 --- a/packages/utils/src/instrument/fetch.ts +++ b/packages/utils/src/instrument/fetch.ts @@ -116,7 +116,7 @@ function instrumentFetch(onFetchResolved?: (response: Response) => void, skipNat } async function resolveResponse(res: Response | undefined, onFinishedResolving: () => void): Promise { - if (res && res.body) { + if (res && res.body && res.body.getReader) { const responseReader = res.body.getReader(); // eslint-disable-next-line no-inner-declarations