1 files changed, 2 insertions, 4 deletions
diff --git a/nixos/modules/virtualisation/docker.nix b/nixos/modules/virtualisation/docker.nix
index 0115b972e80d..0c642bf3b816 100644
--- a/nixos/modules/virtualisation/docker.nix
+++ b/nixos/modules/virtualisation/docker.nix
@@ -46,12 +46,10 @@ in
     storageDriver =
       mkOption {
         type = types.enum ["aufs" "btrfs" "devicemapper" "overlay" "zfs"];
+        default = "devicemapper";
         description =
           ''
             This option determines which Docker storage driver to use.
-            It is required but lacks a default value as its most
-            suitable value will depend the filesystems available on the
-            host.
           '';
       };
     extraOptions =
@@ -129,7 +127,7 @@ in
           LimitNPROC = 1048576;
         } // proxy_env;
 
-        path = [ pkgs.kmod ];
+        path = [ pkgs.kmod ] ++ (optional (cfg.storageDriver == "zfs") pkgs.zfs);
         environment.MODULE_DIR = "/run/current-system/kernel-modules/lib/modules";
 
         postStart = cfg.postStart;