diff --git a/panel/.gitignore b/panel/.gitignore
index bcdd5369..6d302370 100644
--- a/panel/.gitignore
+++ b/panel/.gitignore
@@ -11,5 +11,5 @@ db.sqlite3
 src/db.sqlite3
 src/static
 src/panel/static/htmx*
-src/panel/configuration/schema.py
+src/panel/configuration/schema.*
 .credentials
diff --git a/panel/nix/package.nix b/panel/nix/package.nix
index e13e015a..42440261 100644
--- a/panel/nix/package.nix
+++ b/panel/nix/package.nix
@@ -14,7 +14,7 @@ let
       root = ../src;
       fileset = intersection (gitTracked ../../.) ../src;
     };
-  pyproject = with lib; fromTOML pyproject-toml;
+  pyproject = fromTOML pyproject-toml;
   # TODO: define this globally
   name = "panel";
   # TODO: we may want this in a file so it's easier to read statically
@@ -29,28 +29,35 @@ let
     include-package-data = true
   '';
 
-  generated = [
-    {
-      from = "${sources.htmx}/dist/htmx.min.js";
-      to = "./panel/static/htmx.min.js";
-    }
-    {
-      from =
-        let
-          jsonschema = callPackage "${sources.clan-core}/lib/jsonschema" { } { };
-          frontend-options = jsonschema.parseModule ../../deployment/options.nix;
-          schema = with builtins; toFile "schema.json" (toJSON frontend-options);
-          codegen = "${python3Packages.datamodel-code-generator}/bin/datamodel-codegen";
-          pydantic = runCommand "schema.py" { } ''
-            # replace plain `pydantic` with `drf_pydantic` so we can create forms automatically
-            ${codegen} --input ${schema} | sed '/from pydantic/a\
-            from drf_pydantic import BaseModel' > $out
-          '';
-        in
-        "${pydantic}";
-      to = "./panel/configuration/schema.py";
-    }
-  ];
+  generated =
+    let
+      jsonschema = callPackage "${sources.clan-core}/lib/jsonschema" { } { };
+      frontend-options = jsonschema.parseModule ../../deployment/options.nix;
+      schema = with builtins; toFile "schema.json" (toJSON frontend-options);
+    in
+    [
+      {
+        from = "${sources.htmx}/dist/htmx.min.js";
+        to = "./panel/static/htmx.min.js";
+      }
+      {
+        from = schema;
+        to = "./panel/configuration/schema.json";
+      }
+      {
+        from =
+          let
+            codegen = "${python3Packages.datamodel-code-generator}/bin/datamodel-codegen";
+            pydantic = runCommand "schema.py" { } ''
+              # replace plain `pydantic` with `drf_pydantic` so we can create forms automatically
+              ${codegen} --input ${schema} | sed '/from pydantic/a\
+              from drf_pydantic import BaseModel' > $out
+            '';
+          in
+          "${pydantic}";
+        to = "./panel/configuration/schema.py";
+      }
+    ];
 in
 python3.pkgs.buildPythonPackage {
   pname = name;