diff --git a/src/simulation.ts b/src/simulation.ts
index d33245b..fa3a695 100755
--- a/src/simulation.ts
+++ b/src/simulation.ts
@@ -5,15 +5,16 @@ import { Command } from "https://deno.land/x/cliffy@v1.0.0-rc.4/command/mod.ts";
 import { Dict, Guesser, Runner, Simulator } from "./lib/lib.ts";
 import { TableLogging } from "./lib/runner.ts";
 
+import { francais } from "../data/data.ts";
+
 async function main() {
 	const args = await new Command().name("simulation")
 		.description(
 			"Program to simulate TUSMO game with guesser controller.",
 		)
 		.option(
-			"-d, --dictionnary <path:string>",
-			"Sets dictionnary to use words from.",
-			{ default: "./data/liste_francais.txt" },
+			"-f, --file <path:string>",
+			"Sets dictionnary to use words from (defaults to internal french dict).",
 		).option(
 			"-n, --length <length:number>",
 			"Length of the word to use from the dictionnary.",
@@ -21,10 +22,11 @@ async function main() {
 		).option(
 			"-w, --wait <wait:number>",
 			"Time to wait between guesses, in ms.",
-			{ default: 500 },
+			{ default: 0 },
 		).parse(Deno.args);
 
-	const dict = await Dict.from_file(args.options.dictionnary, args.options.length);
+	let dict = Dict.from_lines(francais, args.options.length);
+	if (args.options.file !== undefined) dict = await Dict.from_text_file(args.options.file, args.options.length);
 
 	const guesser = new Guesser(dict);
 	const game = Simulator.from_dict_rand(dict);