diff --git a/docs/md/using-in-frontend.md b/docs/md/using-in-frontend.md
index cb1d2890..64174500 100644
--- a/docs/md/using-in-frontend.md
+++ b/docs/md/using-in-frontend.md
@@ -27,7 +27,7 @@ function compileGrammar(sourceCode) {
     const grammarAst = grammarParser.results[0]; // TODO check for errors
 
     // Compile the AST into a set of rules
-    const grammarInfoObject = compile(grammarAst, {});
+    const grammarInfoObject = compile(grammarAst, { argv: [] });
     // Generate JavaScript code from the rules
     const grammarJs = generate(grammarInfoObject, "grammar");