diff --git a/nixos/release-combined.nix b/nixos/release-combined.nix
index d501c2e7c53..ddedcd9fe97 100644
--- a/nixos/release-combined.nix
+++ b/nixos/release-combined.nix
@@ -62,6 +62,7 @@ in rec {
         (all nixos.tests.installer.btrfsSimple)
         (all nixos.tests.installer.btrfsSubvols)
         (all nixos.tests.installer.btrfsSubvolDefault)
+        (all nixos.tests.bootBiosCdrom)
         (all nixos.tests.ipv6)
         (all nixos.tests.kde4)
         (all nixos.tests.lightdm)