diff --git a/pkgs/development/tools/rust/cargo-cross/default.nix b/pkgs/development/tools/rust/cargo-cross/default.nix
index 276d6e50eeed..ff76a755cddc 100644
--- a/pkgs/development/tools/rust/cargo-cross/default.nix
+++ b/pkgs/development/tools/rust/cargo-cross/default.nix
@@ -13,7 +13,7 @@ rustPlatform.buildRustPackage rec {
     owner = "rust-embedded";
     repo = "cross";
     rev = "v${version}";
-    sha256 = "sha256:1py5w4kf612x4qxi190ilsrx0zzwdzk9i47ppvqblska1s47qa2w";
+    sha256 = "1py5w4kf612x4qxi190ilsrx0zzwdzk9i47ppvqblska1s47qa2w";
   };
 
   cargoSha256 = "sha256-zk6cbN4iSHnyoeWupufVf2yQK6aq3S99uk9lqpjCw4c=";
@@ -21,7 +21,7 @@ rustPlatform.buildRustPackage rec {
   cargoPatches = [
     (fetchpatch {
       url = "https://github.com/rust-embedded/cross/commit/e86ad2e5a55218395df7eaaf91900e22b809083c.patch";
-      sha256 = "sha256:1zrcj5fm3irmlrfkgb65kp2pjkry0rg5nn9pwsk9p0i6dpapjc7k";
+      sha256 = "1zrcj5fm3irmlrfkgb65kp2pjkry0rg5nn9pwsk9p0i6dpapjc7k";
     })
   ];
 
@@ -36,5 +36,6 @@ rustPlatform.buildRustPackage rec {
     homepage = "https://github.com/rust-embedded/cross";
     license = with licenses; [ asl20 /* or */ mit ];
     maintainers = with maintainers; [ otavio ];
+    mainProgram = "cross";
   };
 }