1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/interpreters/rascal/default.nix b/nixpkgs/pkgs/development/interpreters/rascal/default.nix
index 409a34d8cfe6..50bfb7e54d63 100644
--- a/nixpkgs/pkgs/development/interpreters/rascal/default.nix
+++ b/nixpkgs/pkgs/development/interpreters/rascal/default.nix
@@ -24,6 +24,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = "https://www.rascal-mpl.org/";
     description = "Command-line REPL for the Rascal metaprogramming language";
+    mainProgram = "rascal";
     sourceProvenance = with lib.sourceTypes; [ binaryBytecode ];
     license = lib.licenses.epl10;
     maintainers = [ lib.maintainers.eelco ];