diff --git a/index.js b/index.js
index 6246e7e..69283b4 100644
--- a/index.js
+++ b/index.js
@@ -280,7 +280,7 @@ var spriteSVG = function(options) {
         var compiled = mustache.render(file.contents, file.data);
 
         mkdirp(path.dirname(file.dest)).then(() => {
-          fs.writeFile(file.dest, compiled);
+          fs.writeFileSync(file.dest, compiled);
         });
     }