diff --git a/pkgs/development/python-modules/entry-points-txt/default.nix b/pkgs/development/python-modules/entry-points-txt/default.nix
index 5d921495e731..84dd8ffb1548 100644
--- a/pkgs/development/python-modules/entry-points-txt/default.nix
+++ b/pkgs/development/python-modules/entry-points-txt/default.nix
@@ -3,6 +3,7 @@
   buildPythonPackage,
   fetchFromGitHub,
   pytestCheckHook,
+  pytest-cov-stub,
   pythonOlder,
   setuptools,
 }:
@@ -23,12 +24,10 @@ buildPythonPackage rec {
 
   nativeBuildInputs = [ setuptools ];
 
-  nativeCheckInputs = [ pytestCheckHook ];
-
-  postPatch = ''
-    substituteInPlace tox.ini \
-      --replace " --cov=entry_points_txt --no-cov-on-fail" ""
-  '';
+  nativeCheckInputs = [
+    pytestCheckHook
+    pytest-cov-stub
+  ];
 
   pythonImportsCheck = [ "entry_points_txt" ];