diff --git a/pkgs/desktops/lxqt/lxqt-policykit/default.nix b/pkgs/desktops/lxqt/lxqt-policykit/default.nix
index 03c634d0535f..6b05fca37b56 100644
--- a/pkgs/desktops/lxqt/lxqt-policykit/default.nix
+++ b/pkgs/desktops/lxqt/lxqt-policykit/default.nix
@@ -52,6 +52,7 @@ mkDerivation rec {
   meta = with lib; {
     homepage = "https://github.com/lxqt/lxqt-policykit";
     description = "The LXQt PolicyKit agent";
+    mainProgram = "lxqt-policykit-agent";
     license = licenses.lgpl21Plus;
     platforms = platforms.linux;
     maintainers = teams.lxqt.members;