diff --git a/src/cli.rs b/src/cli.rs
index 893a3c5..6531916 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -58,7 +58,7 @@ pub fn build_cli() -> App<'static> {
                 .short('l')
                 .long("list")
                 .help("Lists all available brightness and led controllers")
-                .exclusive(true)
+                .exclusive(true),
         )
         .arg(
             Arg::with_name("ctrl_type")