diff --git a/pkgs/development/python-modules/bthome-ble/default.nix b/pkgs/development/python-modules/bthome-ble/default.nix
index 8f48d2c0364d..93433f5e53e3 100644
--- a/pkgs/development/python-modules/bthome-ble/default.nix
+++ b/pkgs/development/python-modules/bthome-ble/default.nix
@@ -6,6 +6,7 @@
   cryptography,
   fetchFromGitHub,
   poetry-core,
+  pytest-cov-stub,
   pytestCheckHook,
   pythonOlder,
   pytz,
@@ -26,11 +27,6 @@ buildPythonPackage rec {
     hash = "sha256-TlZyNGfHNKN+6tCKepLS+fbgfq3a1uzeCXl25khl6d8=";
   };
 
-  postPatch = ''
-    substituteInPlace pyproject.toml \
-      --replace-fail " --cov=bthome_ble --cov-report=term-missing:skip-covered" ""
-  '';
-
   build-system = [ poetry-core ];
 
   dependencies = [
@@ -41,7 +37,10 @@ buildPythonPackage rec {
     pytz
   ];
 
-  nativeCheckInputs = [ pytestCheckHook ];
+  nativeCheckInputs = [
+    pytest-cov-stub
+    pytestCheckHook
+  ];
 
   pythonImportsCheck = [ "bthome_ble" ];