diff --git a/src/bin/cargo-miri.rs b/src/bin/cargo-miri.rs
index f428062b3fc4..71cd46314b5a 100644
--- a/src/bin/cargo-miri.rs
+++ b/src/bin/cargo-miri.rs
@@ -366,7 +366,7 @@ fn main() {
             Err(ref e) => panic!("error during rustc call: {:?}", e),
         }
     } else {
-        eprintln!("Unexpected call: Must be called with either `miri` or `rustc` as first argument.")
+        show_error!("Must be called with either `miri` or `rustc` as first argument.")
     }
 }