@@ -104,7 +104,7 @@ var createDefaults = function(amber_dir, finished_callback){
'closure': false,
'closure_parts': false,
'closure_full': false,
- 'closure_options': '',
+ 'closure_options': ' --language_in=ECMASCRIPT5 ',
'suffix': '',
'loadsuffix': '',
'suffix_used': '',