1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/applications/science/logic/redprl/default.nix b/nixpkgs/pkgs/applications/science/logic/redprl/default.nix
index 656f3f1b653e..2749730f9d66 100644
--- a/nixpkgs/pkgs/applications/science/logic/redprl/default.nix
+++ b/nixpkgs/pkgs/applications/science/logic/redprl/default.nix
@@ -29,6 +29,7 @@ stdenv.mkDerivation {
 
   meta = with lib; {
     description = "A proof assistant for Nominal Computational Type Theory";
+    mainProgram = "redprl";
     homepage = "http://www.redprl.org/";
     license = licenses.mit;
     maintainers = with maintainers; [ acowley ];