diff --git a/doctrine/default.nix b/doctrine/default.nix
index b4c72b8..0d50d49 100644
--- a/doctrine/default.nix
+++ b/doctrine/default.nix
@@ -1,12 +1,16 @@
 {
+  lib ? pkgs.lib,
   pkgs,
-  namespace,
+  prefix ? "trivium",
+  namespace ? null,
 }: let
-  doctrine = {
-    lib = import ./lib {inherit lib pkgs doctrine;};
-    prefix = "trivium";
-    inherit namespace;
-  };
-  inherit (pkgs) lib;
+  doctrine =
+    {
+      lib = import ./lib {inherit lib pkgs doctrine;};
+      inherit namespace prefix;
+    }
+    // lib.optionalAttrs (pkgs != null) {
+      inherit pkgs;
+    };
 in
   doctrine
diff --git a/doctrine/lib/default.nix b/doctrine/lib/default.nix
index f189e21..e2d84b8 100644
--- a/doctrine/lib/default.nix
+++ b/doctrine/lib/default.nix
@@ -13,8 +13,11 @@
 
   closeLib = close {inherit lib;};
   closeFull = close {inherit lib pkgs doctrine;};
-in {
-  inherit close;
-  importAll = closeLib ./import-all.nix;
-  mkModule = closeFull ./mk-module.nix;
-}
+in
+  {
+    inherit close;
+    importAll = closeLib ./import-all.nix;
+  }
+  // lib.optionalAttrs (doctrine.namespace != null) {
+    mkModule = closeFull ./mk-module.nix;
+  }
diff --git a/doctrine/lib/mk-module.nix b/doctrine/lib/mk-module.nix
index f76ccfe..ffbe6bc 100644
--- a/doctrine/lib/mk-module.nix
+++ b/doctrine/lib/mk-module.nix
@@ -11,14 +11,17 @@
   requires ? [],
   prefix ? doctrine.prefix,
   namespace ? doctrine.namespace,
+  passthru ? {},
 }: let
-  optionsSet = import options {
-    inherit config lib pkgs cfg name doctrine;
-  };
+  optionsSet = import options (passthru
+    // {
+      inherit config lib pkgs cfg name doctrine;
+    });
 
-  configSet = import configFiles.${namespace} {
-    inherit config lib pkgs doctrine cfg;
-  };
+  configSet = import configFiles.${namespace} (passthru
+    // {
+      inherit config lib pkgs doctrine cfg;
+    });
 
   configFiles = lib.filterAttrs (k: v: v != null) {
     inherit sys hm;