diff --git a/src/main.rs b/src/main.rs
index 10357bf..86e93ea 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -34,7 +34,7 @@ fn main() {
             std::process::exit(1);
         }
         format_files(&args[2..], true);
-    } else if args[1].starts_with("-") {
+    } else if args[1].starts_with('-') {
         eprintln!("Unrecognized option: '{}'.\n{}", args[1], HELP);
         std::process::exit(1);
     } else {