diff --git a/lib/common/writefile.js b/lib/common/writefile.js
index bb3ea42e..de08e59e 100644
--- a/lib/common/writefile.js
+++ b/lib/common/writefile.js
@@ -4,12 +4,16 @@
  */
 
 const fs = require('fs');
+const Buffer = require('buffer').Buffer;
 
-module.exports = async function (filename, content) {
+module.exports = async function(filename, content) {
   return new Promise((resolve, reject) => {
-    fs.writeFile(filename, String(content), err => {
+    if (typeof content !== 'string' && !Buffer.isBuffer(content)) {
+      content = String(content);
+    }
+    fs.writeFile(filename, content, (err) => {
       if (err) return reject(err);
       resolve(filename);
     });
   });
-};
\ No newline at end of file
+};
diff --git a/package-lock.json b/package-lock.json
index 1869ada1..bbddb7c3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "dawn",
-  "version": "1.9.1",
+  "version": "1.9.3",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 4f157d1a..bb439367 100755
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "dawn",
-  "version": "1.9.1",
+  "version": "1.9.3",
   "description": "dawn cli",
   "main": "./lib/index.js",
   "bin": {