diff --git a/osm_ro/nfvo.py b/osm_ro/nfvo.py
index f65f08f..ff47fec 100644
--- a/osm_ro/nfvo.py
+++ b/osm_ro/nfvo.py
@@ -888,7 +888,8 @@
     try:
         myvnfd = vnfd_catalog.vnfd()
         try:
-            pybindJSONDecoder.load_ietf_json(vnf_descriptor, None, None, obj=myvnfd, path_helper=True)
+            pybindJSONDecoder.load_ietf_json(vnf_descriptor, None, None, obj=myvnfd, path_helper=True,
+                                             skip_unknown=True)
         except Exception as e:
             raise NfvoException("Error. Invalid VNF descriptor format " + str(e), httperrors.Bad_Request)
         db_vnfs = []
@@ -2264,7 +2265,7 @@
     try:
         mynsd = nsd_catalog.nsd()
         try:
-            pybindJSONDecoder.load_ietf_json(nsd_descriptor, None, None, obj=mynsd)
+            pybindJSONDecoder.load_ietf_json(nsd_descriptor, None, None, obj=mynsd, skip_unknown=True)
         except Exception as e:
             raise NfvoException("Error. Invalid NS descriptor format: " + str(e), httperrors.Bad_Request)
         db_scenarios = []