diff --git a/pkgs/applications/display-managers/lightdm/default.nix b/pkgs/applications/display-managers/lightdm/default.nix
index 15926fde3db..6947a010a0e 100644
--- a/pkgs/applications/display-managers/lightdm/default.nix
+++ b/pkgs/applications/display-managers/lightdm/default.nix
@@ -73,6 +73,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     homepage = https://github.com/CanonicalLtd/lightdm;
+    description = "A cross-desktop display manager.";
     platforms = platforms.linux;
     license = licenses.gpl3;
     maintainers = with maintainers; [ ocharles wkennington worldofpeace ];