diff --git a/pkgs/development/python-modules/wagtail-modeladmin/default.nix b/pkgs/development/python-modules/wagtail-modeladmin/default.nix
index 5aa55a5405c1..a7dbd399a7f6 100644
--- a/pkgs/development/python-modules/wagtail-modeladmin/default.nix
+++ b/pkgs/development/python-modules/wagtail-modeladmin/default.nix
@@ -1,12 +1,11 @@
 {
   lib,
   buildPythonPackage,
-  dj-database-url,
   fetchFromGitHub,
   flit-core,
-  python,
-  pythonOlder,
   wagtail,
+  dj-database-url,
+  python,
 }:
 
 buildPythonPackage rec {
@@ -14,18 +13,30 @@ buildPythonPackage rec {
   version = "2.1.0";
   pyproject = true;
 
-  disabled = pythonOlder "3.8";
-
   src = fetchFromGitHub {
-    repo = pname;
     owner = "wagtail-nest";
+    repo = "wagtail-modeladmin";
     tag = "v${version}";
     hash = "sha256-IG7e7YomMM7K2IlJ1Dr1zo+blDPHnu/JeS5csos8ncc=";
   };
 
-  nativeBuildInputs = [ flit-core ];
+  # Fail with `AssertionError`
+  # AssertionError: <Warning: level=30,... > not found in [<Warning: ...>]
+  postPatch = ''
+    substituteInPlace wagtail_modeladmin/test/tests/test_simple_modeladmin.py \
+      --replace-fail \
+        "def test_model_with_single_tabbed_panel_only(" \
+        "def no_test_model_with_single_tabbed_panel_only(" \
+      --replace-fail \
+        "def test_model_with_two_tabbed_panels_only(" \
+        "def no_test_model_with_two_tabbed_panels_only("
+  '';
 
-  propagatedBuildInputs = [ wagtail ];
+  build-system = [ flit-core ];
+
+  dependencies = [
+    wagtail
+  ];
 
   nativeCheckInputs = [ dj-database-url ];
 
@@ -33,15 +44,17 @@ buildPythonPackage rec {
 
   checkPhase = ''
     runHook preCheck
+
     ${python.interpreter} testmanage.py test
+
     runHook postCheck
   '';
 
-  meta = with lib; {
+  meta = {
     description = "Add any model in your project to the Wagtail admin. Formerly wagtail.contrib.modeladmin";
     homepage = "https://github.com/wagtail-nest/wagtail-modeladmin";
     changelog = "https://github.com/wagtail/wagtail-modeladmin/blob/v${version}/CHANGELOG.md";
-    license = licenses.bsd3;
-    maintainers = with maintainers; [ sephi ];
+    license = lib.licenses.bsd3;
+    maintainers = with lib.maintainers; [ sephi ];
   };
 }