diff --git a/src/entry/mod.rs b/src/entry/mod.rs
index b4a79d9..c133e1d 100644
--- a/src/entry/mod.rs
+++ b/src/entry/mod.rs
@@ -1,7 +1,10 @@
 mod args;
 pub use args::Args;
 
-use crate::exit;
+use crate::{
+    exit,
+    EX_USAGE,
+};
 
 use libc::{
     c_int,
@@ -48,7 +51,9 @@ pub unsafe extern fn main(argc: c_int, argv: *const *const u8) -> c_int {
                     exit(71);
                 });
             rust_main(args).unwrap_or_else(|(err, code)| {
-                libc_eprintln!("{}: {}", argv0, err);
+                if code == EX_USAGE {
+                    libc_eprintln!("Usage: {} {}", argv0, err);
+                } else { libc_eprintln!("{}: {}", argv0, err); }
                 code
             }) as _
         },