1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/tools/ocaml/ocp-indent/default.nix b/nixpkgs/pkgs/development/tools/ocaml/ocp-indent/default.nix
index 649e1bcd3559..6fd31d54d999 100644
--- a/nixpkgs/pkgs/development/tools/ocaml/ocp-indent/default.nix
+++ b/nixpkgs/pkgs/development/tools/ocaml/ocp-indent/default.nix
@@ -21,6 +21,7 @@ buildDunePackage rec {
   meta = with lib; {
     homepage = "https://www.typerex.org/ocp-indent.html";
     description = "A customizable tool to indent OCaml code";
+    mainProgram = "ocp-indent";
     license = licenses.gpl3;
     maintainers = [ maintainers.jirkamarsik ];
   };