diff --git a/pkgs/build-support/rust/default.nix b/pkgs/build-support/rust/default.nix
index 43aecdef5f2e..c69832a89b9f 100644
--- a/pkgs/build-support/rust/default.nix
+++ b/pkgs/build-support/rust/default.nix
@@ -1,6 +1,7 @@
 { stdenv, cacert, git, cargo, rustc, cargo-vendor, fetchcargo, python3 }:
 
-{ name, cargoSha256 ? "unset"
+{ name ? "${args.pname}-${args.version}"
+, cargoSha256 ? "unset"
 , src ? null
 , srcs ? null
 , cargoPatches ? []