diff --git a/static/index.js b/static/index.js
index 3c8181c64..10b95f85d 100644
--- a/static/index.js
+++ b/static/index.js
@@ -70,6 +70,7 @@ const argv = yargs
   })
   .version(global.__VERSION__)
   .help()
+  .strict()
   .parse(process.argv.slice(1));
 
 const {config, configPath, flipperDir} = setup(argv);