diff --git a/nixos/tests/installer-systemd-stage-1.nix b/nixos/tests/installer-systemd-stage-1.nix
index 1dd55dada042..00205f941771 100644
--- a/nixos/tests/installer-systemd-stage-1.nix
+++ b/nixos/tests/installer-systemd-stage-1.nix
@@ -19,7 +19,7 @@
     luksroot
     luksroot-format1
     luksroot-format2
-    # lvm
+    lvm
     separateBoot
     separateBootFat
     separateBootZfs
diff --git a/nixos/tests/installer.nix b/nixos/tests/installer.nix
index 7e835041eb39..fce2a11b5bf1 100644
--- a/nixos/tests/installer.nix
+++ b/nixos/tests/installer.nix
@@ -975,6 +975,9 @@ in {
           "mount LABEL=nixos /mnt",
       )
     '';
+    extraConfig = optionalString systemdStage1 ''
+      boot.initrd.services.lvm.enable = true;
+    '';
   };
 
   # Boot off an encrypted root partition with the default LUKS header format