diff --git a/pkgs/development/python-modules/cheroot/default.nix b/pkgs/development/python-modules/cheroot/default.nix
index 8c55c3ac8bbb..591bb0fbe377 100644
--- a/pkgs/development/python-modules/cheroot/default.nix
+++ b/pkgs/development/python-modules/cheroot/default.nix
@@ -31,7 +31,7 @@ buildPythonPackage rec {
   checkPhase = ''
     substituteInPlace pytest.ini --replace "--doctest-modules" "" --replace "-n auto" ""
     ${lib.optionalString (pythonAtLeast "3.7") "sed -i '/warnings/,+2d' pytest.ini"}
-    pytest ${lib.optionalString stdenv.isDarwin "--deselect=cheroot/test/test_ssl.py::test_http_over_https_error --deselect=cheroot/test/test_server.py::test_bind_addr_unix"}
+    pytest -k 'not tls' ${lib.optionalString stdenv.isDarwin "--deselect=cheroot/test/test_ssl.py::test_http_over_https_error --deselect=cheroot/test/test_server.py::test_bind_addr_unix"}
   '';
 
   meta = with lib; {