diff --git a/lib/jsduck/builtins/var.rb b/lib/jsduck/builtins/css_var.rb
similarity index 92%
rename from lib/jsduck/builtins/var.rb
rename to lib/jsduck/builtins/css_var.rb
index 59bbe9d18e2001e214af2b2896ebab72c5c91fa7..c652118a844e465a61caef3efd3fb1a21f2a4093 100644
--- a/lib/jsduck/builtins/var.rb
+++ b/lib/jsduck/builtins/css_var.rb
@@ -1,7 +1,7 @@
 require "jsduck/builtins/tag"
 
 module JsDuck::Builtins
-  class Var < Tag
+  class CssVar < Tag
     def initialize
       @pattern = "var"
     end