diff --git a/lib.nix b/lib.nix
index bb21808..64fa140 100644
--- a/lib.nix
+++ b/lib.nix
@@ -83,19 +83,21 @@ inputs.nixpkgs.lib.extend (
       serviceName: zpool:
       { config, ... }:
       {
-        systemd.services.${serviceName} = {
-          wants = [ "zfs-import-${zpool}.service" ];
-          after = [ "zfs-import-${zpool}.service" ];
-          requires = [ "zfs-import-${zpool}.service" ];
-        };
+        config = lib.mkIf (zpool != "") {
+          systemd.services.${serviceName} = {
+            wants = [ "zfs-import-${zpool}.service" ];
+            after = [ "zfs-import-${zpool}.service" ];
+            requires = [ "zfs-import-${zpool}.service" ];
+          };
 
-        # assert that the pool is even enabled
-        config.assertions = [
-          {
-            assertion = builtins.elem zpool config.boot.zfs.extraPools;
-            message = "${zpool} is not enabled in `boot.zfs.extraPools`";
-          }
-        ];
+          # assert that the pool is even enabled
+          assertions = [
+            {
+              assertion = builtins.elem zpool config.boot.zfs.extraPools;
+              message = "${zpool} is not enabled in `boot.zfs.extraPools`";
+            }
+          ];
+        };
       };
   }
 )
diff --git a/tests/minecraft.nix b/tests/minecraft.nix
index 12ac132..bfb706c 100644
--- a/tests/minecraft.nix
+++ b/tests/minecraft.nix
@@ -32,6 +32,7 @@ let
             https = {
               domain = "test.local";
             };
+            zpool_ssds = "";
           };
           username = "testuser";
         })