diff --git a/Namespaces.py b/Namespaces.py
index eb6f5f5..14d8faf 100755
--- a/Namespaces.py
+++ b/Namespaces.py
@@ -78,6 +78,7 @@ class OASIS:
     LIFETIME = "http://docs.oasis-open.org/wsrf/2004/06/wsrf-WS-ResourceLifetime-1.2-draft-01.xsd"
     PROPERTIES = "http://docs.oasis-open.org/wsrf/2004/06/wsrf-WS-ResourceProperties-1.2-draft-01.wsdl"
     BASENOTIFICATION = "http://docs.oasis-open.org/wsn/2004/06/wsn-WS-BaseNotification-1.2-draft-01.xsd"
+    BASEFAULTS = "http://docs.oasis-open.org/wsrf/2004/06/wsrf-WS-BaseFaults-1.2-draft-01.xsd"
 
 class WSSE:
     BASE    = "http://schemas.xmlsoap.org/ws/2002/04/secext"