diff --git a/graphene/relay/types.py b/graphene/relay/types.py
index a1a3dbe9..55da8910 100644
--- a/graphene/relay/types.py
+++ b/graphene/relay/types.py
@@ -76,15 +76,15 @@ class Connection(ObjectType):
 
     @classmethod
     @memoize
-    def for_node(cls, node, edge_type=None):
+    def for_node(cls, node, edge_type=None, root_values=None):
         from graphene.relay.utils import is_node
         edge_type = edge_type or Edge.for_node(node)
-        assert is_node(node), 'ObjectTypes in a connection have to be Nodes'
+        assert is_node(node) or is_node_type(node), 'ObjectTypes in a connection have to be Nodes'
         edges = List(edge_type, description='Information to aid in pagination.')
         return type(
             '%s%s' % (node._meta.type_name, cls._meta.type_name),
             (cls,),
-            {'edge_type': edge_type, 'edges': edges})
+            {'edge_type': edge_type, 'edges': edges, '_root': root_values})
 
     @classmethod
     def from_list(cls, iterable, args, context, info):