diff --git a/src/baseClient.ts b/src/baseClient.ts
index 84f5ce9..5c1088c 100644
--- a/src/baseClient.ts
+++ b/src/baseClient.ts
@@ -26,7 +26,7 @@ function getFetch(): Fetch {
     return window.fetch.bind(window);
   }
   if (typeof global !== 'undefined' && global.fetch) {
-    return global.fetch;
+    return global.fetch.bind(global);
   }
   if (typeof fetch !== 'undefined') {
     return fetch.bind(globalThis);