diff --git a/fairgraph/base.py b/fairgraph/base.py
index aec17a56..98d13e30 100644
--- a/fairgraph/base.py
+++ b/fairgraph/base.py
@@ -656,7 +656,7 @@ def save(self, client):
                     self.id, cls=self.__class__, api="nexus", use_cache=False)
 
         if self.instance:
-            data = self._build_data(client)
+            data = self._build_data(client, all_fields=True)
             if self._update_needed(data):
                 logger.info("Updating - {}(id={})".format(self.__class__.__name__, self.id))
                 self.instance.data.update(data)