diff --git a/nixos/tests/systemd-initrd-luks-keyfile.nix b/nixos/tests/systemd-initrd-luks-keyfile.nix
index 257243d92a1..5ca0f48c333 100644
--- a/nixos/tests/systemd-initrd-luks-keyfile.nix
+++ b/nixos/tests/systemd-initrd-luks-keyfile.nix
@@ -14,6 +14,8 @@ in {
     virtualisation = {
       emptyDiskImages = [ 512 ];
       useBootLoader = true;
+      # Necessary to boot off the encrypted disk because it requires a init script coming from the Nix store
+      mountHostNixStore = true;
       useEFIBoot = true;
     };
     boot.loader.systemd-boot.enable = true;