diff --git a/volumes.nix b/volumes.nix
index 5f39e8c..45cf6f6 100644
--- a/volumes.nix
+++ b/volumes.nix
@@ -3,15 +3,13 @@ let
   cfg = config.services.userdata;
 in
 {
-  fileSystems =
-    builtins.listToAttrs
-      (builtins.map
-        (volume: {
-          name: "${volume.mountPoint}";
-          value: {
-          device = "${volume.device}";
-          fsType = "${volume.fsType}";
-        };
-        })
-  cfg.volumes);
+  fileSystems = { } // builtins.listToAttrs (builtins.map
+    (volume: {
+      name = "${volume.mountPoint}";
+      value = {
+        device = "${volume.device}";
+        fsType = "${volume.fsType}";
+      };
+    })
+    cfg.volumes);
 }