diff --git a/pkgs/development/python-modules/manimpango/default.nix b/pkgs/development/python-modules/manimpango/default.nix
index d16c1dd29e6f..383dfd40f327 100644
--- a/pkgs/development/python-modules/manimpango/default.nix
+++ b/pkgs/development/python-modules/manimpango/default.nix
@@ -8,6 +8,7 @@
   pango,
   cython,
   AppKit,
+  pytest-cov-stub,
   pytestCheckHook,
   pythonOlder,
 }:
@@ -35,17 +36,15 @@ buildPythonPackage rec {
     cython
   ];
 
-  nativeCheckInputs = [ pytestCheckHook ];
+  nativeCheckInputs = [
+    pytest-cov-stub
+    pytestCheckHook
+  ];
 
   preCheck = ''
     rm -r manimpango
   '';
 
-  postPatch = ''
-    substituteInPlace setup.cfg \
-      --replace "--cov --no-cov-on-fail" ""
-  '';
-
   pythonImportsCheck = [ "manimpango" ];
 
   meta = with lib; {