1 files changed, 2 insertions, 0 deletions
diff --git a/lib/options.nix b/lib/options.nix
index d46dec6e41c..a16a980398d 100644
--- a/lib/options.nix
+++ b/lib/options.nix
@@ -48,6 +48,8 @@ rec {
     visible ? null,
     # Whether the option can be set only once
     readOnly ? null,
+    # Deprecated, used by types.optionSet.
+    options ? null
     } @ attrs:
     attrs // { _type = "option"; };