1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/tools/rust/rustup-toolchain-install-master/default.nix b/nixpkgs/pkgs/development/tools/rust/rustup-toolchain-install-master/default.nix
index 8289e56e81d4..d71b1e655d78 100644
--- a/nixpkgs/pkgs/development/tools/rust/rustup-toolchain-install-master/default.nix
+++ b/nixpkgs/pkgs/development/tools/rust/rustup-toolchain-install-master/default.nix
@@ -58,6 +58,7 @@ rustPlatform.buildRustPackage rec {
 
   meta = with lib; {
     description = "Install a rustc master toolchain usable from rustup";
+    mainProgram = "rustup-toolchain-install-master";
     homepage = "https://github.com/kennytm/rustup-toolchain-install-master";
     license = licenses.mit;
     maintainers = with maintainers; [ davidtwco ];