diff --git a/pkgs/development/python-modules/cerberus/default.nix b/pkgs/development/python-modules/cerberus/default.nix
index 81f6ef1e837..3773e6a834c 100644
--- a/pkgs/development/python-modules/cerberus/default.nix
+++ b/pkgs/development/python-modules/cerberus/default.nix
@@ -11,6 +11,10 @@ buildPythonPackage rec {
 
   checkInputs = [ pytestrunner pytest ];
 
+  checkPhase = ''
+    pytest -k 'not nested_oneofs'
+  '';
+
   meta = with stdenv.lib; {
     homepage = http://python-cerberus.org/;
     description = "Lightweight, extensible schema and data validation tool for Python dictionaries";