diff --git a/py/green/conftest.py b/py/green/conftest.py
new file mode 100644
index 000000000..361296acf
--- /dev/null
+++ b/py/green/conftest.py
@@ -0,0 +1,4 @@
+import py, os
+
+if os.name == 'nt':
+    py.test.skip("Cannot test green layer on windows")