diff --git a/codex-rs/cli/src/main.rs b/codex-rs/cli/src/main.rs
index 9aef22c0..8f59d2d4 100644
--- a/codex-rs/cli/src/main.rs
+++ b/codex-rs/cli/src/main.rs
@@ -27,7 +27,11 @@ use crate::proto::ProtoCli;
     author,
     version,
     // If a sub‑command is given, ignore requirements of the default args.
-    subcommand_negates_reqs = true
+    subcommand_negates_reqs = true,
+    // The executable is sometimes invoked via a platform‑specific name like
+    // `codex-x86_64-unknown-linux-musl`, but the help output should always use
+    // the generic `codex` command name that users run.
+    bin_name = "codex"
 )]
 struct MultitoolCli {
     #[clap(flatten)]