fixed #2208

src/meta/js.js

@@ -155,10 +155,10 @@ module.exports = function(Meta) {
 							cache: minifiedString,
 							map: mapString
 						});
+					}
 
 					// Save the minfile in public/ so things like nginx can serve it
 					Meta.js.commitToFile();
-					}
 
 					if (typeof callback === 'function') {
 						callback();