1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/tools/protoc-gen-prost-crate/default.nix b/nixpkgs/pkgs/development/tools/protoc-gen-prost-crate/default.nix
index 8503e9266944..1a2a1450a4bc 100644
--- a/nixpkgs/pkgs/development/tools/protoc-gen-prost-crate/default.nix
+++ b/nixpkgs/pkgs/development/tools/protoc-gen-prost-crate/default.nix
@@ -17,6 +17,7 @@ rustPlatform.buildRustPackage rec {
 
   meta = with lib; {
     description = "A protoc plugin that generates Cargo crates and include files for `protoc-gen-prost`";
+    mainProgram = "protoc-gen-prost-crate";
     homepage = "https://github.com/neoeinstein/protoc-gen-prost";
     changelog = "https://github.com/neoeinstein/protoc-gen-prost/blob/main/CHANGELOG.md";
     license = licenses.asl20;