diff --git a/pytest.ini b/pytest.ini
index 3ee2f886..42820fc7 100644
--- a/pytest.ini
+++ b/pytest.ini
@@ -34,3 +34,7 @@ filterwarnings=
 
 	# suppress well know deprecation warning
 	ignore:distutils.log.Log is deprecated
+
+	# pytest-dev/pyfakefs#957
+	ignore:UTF-8 Mode affects locale.getpreferredencoding::pyfakefs.fake_file
+	ignore:'encoding' argument not specified::pyfakefs.helpers