diff --git a/pkgs/by-name/ru/runit/package.nix b/pkgs/by-name/ru/runit/package.nix
index 4b7cd61ea04a..94e5346abcd7 100644
--- a/pkgs/by-name/ru/runit/package.nix
+++ b/pkgs/by-name/ru/runit/package.nix
@@ -68,5 +68,6 @@ stdenv.mkDerivation rec {
     homepage = "http://smarden.org/runit";
     maintainers = [ ];
     platforms = lib.platforms.linux ++ lib.platforms.darwin;
+    mainProgram = "runit";
   };
 }