diff --git a/src/http/client/jsonp.js b/src/http/client/jsonp.js
index 241e7b40..c2e2d04e 100644
--- a/src/http/client/jsonp.js
+++ b/src/http/client/jsonp.js
@@ -28,7 +28,7 @@ export default function (request) {
         };
 
         window[callback] = result => {
-            body = JSON.stringify(result);
+            body = typeof result === 'string' ? result : JSON.stringify(result);
         };
 
         request.abort = () => {