diff --git a/hosts/schalter/default.nix b/hosts/schalter/default.nix
index ae1569c7..925c576a 100644
--- a/hosts/schalter/default.nix
+++ b/hosts/schalter/default.nix
@@ -16,15 +16,18 @@
       };
       generic-extlinux-compatible.enable = lib.mkForce false;
     };
-    # supportedFilesystems = lib.mkForce [ "vfat" "ext4" ];
+    # no zfs required
+    supportedFilesystems = lib.mkForce [ "vfat" "ext4" ];
 
     tmpOnTmpfs = true;
   };
+
   nixpkgs.config.packageOverrides = pkgs: {
     makeModulesClosure = x:
       # prevent kernel install fail due to missing modules
       pkgs.makeModulesClosure (x // { allowMissing = true; });
   };
+
   sdImage = {
     compressImage = false;
     imageBaseName = "schalter";