diff --git a/assets/parser.d.erb b/assets/parser.d.erb
index 156dad3..3da6bbd 100644
--- a/assets/parser.d.erb
+++ b/assets/parser.d.erb
@@ -69,7 +69,7 @@ class <%= classname %>
         }
     }
 
-    class Lexer
+    static class Lexer
     {
         enum
         {