diff --git a/modules/nixos-modules/storage/impermanence.nix b/modules/nixos-modules/storage/impermanence.nix
index 9af5681..cb20295 100644
--- a/modules/nixos-modules/storage/impermanence.nix
+++ b/modules/nixos-modules/storage/impermanence.nix
@@ -84,6 +84,8 @@ in {
         lib.mapAttrs' (
           datasetName: dataset:
             lib.nameValuePair "/${datasetName}" {
+              device = "rpool/${datasetName}";
+              fsType = "zfs";
               neededForBoot = true;
             }
         )