diff --git a/source/interface/getFile.js b/source/interface/getFile.js
index <HASH>..<HASH> 100644
--- a/source/interface/getFile.js
+++ b/source/interface/getFile.js
@@ -7,7 +7,7 @@ const fetch = require("../request.js").fetch;
 
 function getFileContentsBuffer(filePath, options) {
     return makeFileRequest(filePath, options).then(function(res) {
-        return res.buffer();
+        return res.arrayBuffer();
     });
 }
 
diff --git a/test/specs/getFileContents.spec.js b/test/specs/getFileContents.spec.js
index <HASH>..<HASH> 100644
--- a/test/specs/getFileContents.spec.js
+++ b/test/specs/getFileContents.spec.js
@@ -1,5 +1,3 @@
-"use strict";
-
 const path = require("path");
 const fs = require("fs");
Update .buffer to .arrayBuffer