diff --git a/xos/tosca/resources/slice.py b/xos/tosca/resources/slice.py
index 7dcbd59..48e5eb0 100644
--- a/xos/tosca/resources/slice.py
+++ b/xos/tosca/resources/slice.py
@@ -12,7 +12,7 @@
 class XOSSlice(XOSResource):
     provides = "tosca.nodes.Slice"
     xos_model = Slice
-    copyin_props = ["enabled", "description", "slice_url", "max_instances", "default_isolation", "network", "exposed_ports"]
+    copyin_props = ["enabled", "description", "slice_url", "max_instances", "default_isolation", "default_flavor", "network", "exposed_ports"]
 
     def get_xos_args(self):
         args = super(XOSSlice, self).get_xos_args()