diff --git a/translator-src/nu/validator/htmlparser/generator/GenerateNamedCharactersCpp.java b/translator-src/nu/validator/htmlparser/generator/GenerateNamedCharactersCpp.java
index ea9d47b1..351bed4f 100644
--- a/translator-src/nu/validator/htmlparser/generator/GenerateNamedCharactersCpp.java
+++ b/translator-src/nu/validator/htmlparser/generator/GenerateNamedCharactersCpp.java
@@ -141,7 +141,7 @@ public static void main(String[] args) throws IOException {
             }
         }
 
-        CppTypes cppTypes = new CppTypes(null, null);
+        CppTypes cppTypes = new CppTypes(null, null, null);
         File targetDirectory = new File(args[1]);
 
         generateH(targetDirectory, cppTypes, entities);