diff --git a/lib/node-minify.js b/lib/node-minify.js
index 20da949d0..81c775048 100644
--- a/lib/node-minify.js
+++ b/lib/node-minify.js
@@ -117,7 +117,7 @@ var minify = (function(undefined) {
       exec(command, {maxBuffer: this.buffer}, function(err, stdout, stderr) {
         if (self.fileIn === self.tempFile) {
           // remove the temp concat file here
-          _fs.unlinkSync(self.tempFile);
+          _fs.unlink(self.tempFile);
         }
 
         if (self.callback) {