diff --git a/after/ftplugin/json.vim b/after/ftplugin/json.vim
index 5dd568e..038175a 100644
--- a/after/ftplugin/json.vim
+++ b/after/ftplugin/json.vim
@@ -1,2 +1 @@
 set conceallevel=2
-set concealcursor=n
diff --git a/after/syntax/json.vim b/after/syntax/json.vim
index e600923..60906b8 100644
--- a/after/syntax/json.vim
+++ b/after/syntax/json.vim
@@ -1 +1,3 @@
 hi link jsonKeyword Function
+hi link jsonNull Constant
+hi link jsonQuote Delimiter