diff --git a/nixos/release-combined.nix b/nixos/release-combined.nix
index a3d0d7639147..9fceafdd271d 100644
--- a/nixos/release-combined.nix
+++ b/nixos/release-combined.nix
@@ -98,6 +98,7 @@ in rec {
         (onSystems ["x86_64-linux"] "nixos.tests.installer.simple")
         (onSystems ["x86_64-linux"] "nixos.tests.installer.swraid")
         (onSystems ["x86_64-linux"] "nixos.tests.nixos-rebuild-install-bootloader")
+        (onSystems ["x86_64-linux"] "nixos.tests.nixos-rebuild-specialisations")
         (onFullSupported "nixos.tests.ipv6")
         (onFullSupported "nixos.tests.keymap.azerty")
         (onFullSupported "nixos.tests.keymap.colemak")