1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/applications/science/logic/lci/default.nix b/nixpkgs/pkgs/applications/science/logic/lci/default.nix
index 593b2c54c5cf..659855c23fb2 100644
--- a/nixpkgs/pkgs/applications/science/logic/lci/default.nix
+++ b/nixpkgs/pkgs/applications/science/logic/lci/default.nix
@@ -9,6 +9,7 @@ stdenv.mkDerivation rec {
   buildInputs = [readline];
   meta = {
     description = "Lambda calculus interpreter";
+    mainProgram = "lci";
     maintainers = with lib.maintainers; [raskin];
     platforms = with lib.platforms; linux;
     license = lib.licenses.gpl3;