diff --git a/lib/defaults/index.js b/lib/defaults/index.js
index a883bfe5c5..27c71b45e6 100644
--- a/lib/defaults/index.js
+++ b/lib/defaults/index.js
@@ -37,7 +37,7 @@ const defaults = {
 
   transitional: transitionalDefaults,
 
-  adapter: ['xhr', 'http'],
+  adapter: platform.isNode ? 'http' : 'xhr',
 
   transformRequest: [function transformRequest(data, headers) {
     const contentType = headers.getContentType() || '';