diff --git a/pkgs/development/compilers/miranda/default.nix b/pkgs/development/compilers/miranda/default.nix
index 5de16633ed7..7b29699f151 100644
--- a/pkgs/development/compilers/miranda/default.nix
+++ b/pkgs/development/compilers/miranda/default.nix
@@ -71,5 +71,6 @@ stdenv.mkDerivation rec {
     license = licenses.bsd2;
     maintainers = with maintainers; [ siraben ];
     platforms = platforms.all;
+    mainProgram = "mira";
   };
 }