diff --git a/src/main.rs b/src/main.rs
index 47fbb34..af544cd 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -66,7 +66,7 @@ async fn main() -> tide::Result<()> {
         .arg(Arg::with_name("mode").short("m").long("mode").takes_value(true).default_value("prod").help("Mode"))
         .arg(Arg::with_name("dir").long("dir").takes_value(true).default_value("acme_dir").help("Account key dir"))
         .arg(Arg::with_name("config").short("c").long("config").takes_value(true).help("Cert config"))
-        .arg(Arg::with_name("check").long("check").takes_value(true).help("Check cert config"))
+        .arg(Arg::with_name("check").long("check").help("Check cert config"))
         .arg(Arg::with_name("hide-logo").long("hide-logo").help("Hide logo"))
         .get_matches();