diff --git a/src/client/links.ts b/src/client/links.ts
index 61f1004..5ea6b6b 100644
--- a/src/client/links.ts
+++ b/src/client/links.ts
@@ -12,7 +12,7 @@ import { type FetchEsque } from '@trpc/client/dist/internals/types'
 function customFetch(input: RequestInfo | URL, init?: RequestInit & { method: 'GET' })  {
   return globalThis.$fetch.raw(input.toString(), init)
     .catch((e) => {
-      if (e.constructor.name === 'FetchError' && e.response) { return e.response }
+      if (e instanceof Error && e.name === 'FetchError' && e.response) { return e.response }
       throw e
     })
     .then(response => ({