diff --git a/src/client/ClientDataResolver.js b/src/client/ClientDataResolver.js
index 2a668d9f3..b99421d8f 100644
--- a/src/client/ClientDataResolver.js
+++ b/src/client/ClientDataResolver.js
@@ -251,7 +251,7 @@ class ClientDataResolver {
           req.end((err, res) => {
             if (err) return reject(err);
             if (this.client.browser) return resolve(convertArrayBuffer(res.xhr.response));
-            if (!(res.body instanceof Buffer)) return reject(new TypeError('Body is not a Buffer'));
+            if (!(res.body instanceof Buffer)) return reject(new TypeError('The response body isn\'t a Buffer.'));
             return resolve(res.body);
           });
         } else {