diff --git a/PrettyJson.py b/PrettyJson.py
index f6b0c80..474c54a 100644
--- a/PrettyJson.py
+++ b/PrettyJson.py
@@ -18,6 +18,6 @@ class PrettyjsonCommand(sublime_plugin.TextCommand):
 
             try:
                 obj = json.loads(self.view.substr(selection))
-                self.view.replace(edit, selection, json.dumps(obj, indent=s.get("indent_size", 4), ensure_ascii=False, sort_keys=s.get("sort_keys", True)))
+                self.view.replace(edit, selection, json.dumps(obj, indent=s.get("indent_size", 4), ensure_ascii=False, sort_keys=s.get("sort_keys", True), separators=(',', ': ')))
             except Exception, e:
                 sublime.status_message(str(e))