1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/tools/castxml/default.nix b/nixpkgs/pkgs/development/tools/castxml/default.nix
index 1a7c15d9a963..0547df5d4cc5 100644
--- a/nixpkgs/pkgs/development/tools/castxml/default.nix
+++ b/nixpkgs/pkgs/development/tools/castxml/default.nix
@@ -64,6 +64,7 @@ stdenv.mkDerivation (finalAttrs: {
   meta = with lib; {
     homepage = "https://github.com/CastXML/CastXML";
     description = "C-family Abstract Syntax Tree XML Output";
+    mainProgram = "castxml";
     license = licenses.asl20;
     maintainers = with maintainers; [ AndersonTorres ];
     platforms = platforms.unix;