diff --git a/configs/mobi/hardware-configuration.nix b/configs/mobi/hardware-configuration.nix
index f24020c..3ad6850 100644
--- a/configs/mobi/hardware-configuration.nix
+++ b/configs/mobi/hardware-configuration.nix
@@ -35,11 +35,12 @@
 
   # lvm volume group
   # ----------------
-  boot.initrd.luks.devices = [{
-    name = "mobi";
-    device = "/dev/disk/by-uuid/e138095f-c703-4dea-bb1c-bf888b8e1b81";
-    preLVM = true;
-  }];
+  boot.initrd.luks.devices = {
+    mobi = {
+      device = "/dev/disk/by-uuid/e138095f-c703-4dea-bb1c-bf888b8e1b81";
+      preLVM = true;
+    };
+  };
 
   # root
   # ----