diff --git a/pkgs/tools/networking/nqptp/default.nix b/pkgs/tools/networking/nqptp/default.nix
index 2db121e2d189..26aec487789d 100644
--- a/pkgs/tools/networking/nqptp/default.nix
+++ b/pkgs/tools/networking/nqptp/default.nix
@@ -32,6 +32,7 @@ stdenv.mkDerivation rec {
     homepage = "https://github.com/mikebrady/nqptp";
     description = "Daemon and companion application to Shairport Sync that monitors timing data from any PTP clocks";
     license = lib.licenses.gpl2Only;
+    mainProgram = "nqptp";
     maintainers = with lib.maintainers; [ jordanisaacs adamcstephens ];
     platforms = lib.platforms.linux ++ lib.platforms.freebsd;
   };