diff --git a/ironic_inspector/rules.py b/ironic_inspector/rules.py
index 697cb555e..23d60330c 100644
--- a/ironic_inspector/rules.py
+++ b/ironic_inspector/rules.py
@@ -138,7 +138,7 @@ class IntrospectionRule(object):
             scheme, path = _parse_path(cond.field)
 
             if scheme == 'node':
-                source_data = node_info.node().dict()
+                source_data = node_info.node().to_dict()
             elif scheme == 'data':
                 source_data = data
 
diff --git a/ironic_inspector/test/base.py b/ironic_inspector/test/base.py
index 1ca14ebd6..0c1f62d56 100644
--- a/ironic_inspector/test/base.py
+++ b/ironic_inspector/test/base.py
@@ -102,7 +102,7 @@ class NodeTest(BaseTest):
         mock_to_dict = mock.Mock(return_value=fake_node)
 
         self.node = mock.Mock(**fake_node)
-        self.node.dict = mock_to_dict
+        self.node.to_dict = mock_to_dict
 
         self.ports = []
         self.node_info = node_cache.NodeInfo(uuid=self.uuid, started_at=0,