diff --git a/nixos-modules/dhall/vbox-guest.dhall b/nixos-modules/dhall/vbox-guest.dhall
index 895af89..9a0ce56 100644
--- a/nixos-modules/dhall/vbox-guest.dhall
+++ b/nixos-modules/dhall/vbox-guest.dhall
@@ -129,7 +129,7 @@ let toVbox =
                                         , attributes = toMap { name = "store" }
                                         , content =
                                           [ XML.leaf
-                                              { name = "ram"
+                                              { name = "fs"
                                               , attributes = toMap
                                                   { writeable = "no"
                                                   , label = "nix"
@@ -140,7 +140,7 @@ let toVbox =
                                     ]
                                   }
                               , XML.leaf
-                                  { name = "ram"
+                                  { name = "fs"
                                   , attributes = toMap { writeable = "yes" }
                                   }
                               ]