diff --git a/nixos/release-combined.nix b/nixos/release-combined.nix
index a79f72823fdf..d501c2e7c535 100644
--- a/nixos/release-combined.nix
+++ b/nixos/release-combined.nix
@@ -64,6 +64,7 @@ in rec {
         (all nixos.tests.installer.btrfsSubvolDefault)
         (all nixos.tests.ipv6)
         (all nixos.tests.kde4)
+        (all nixos.tests.lightdm)
         (all nixos.tests.login)
         (all nixos.tests.misc)
         (all nixos.tests.nat.firewall)