diff --git a/python/ray/autoscaler/_private/fake_multi_node/node_provider.py b/python/ray/autoscaler/_private/fake_multi_node/node_provider.py
index 968d00175..27a01abc7 100644
--- a/python/ray/autoscaler/_private/fake_multi_node/node_provider.py
+++ b/python/ray/autoscaler/_private/fake_multi_node/node_provider.py
@@ -268,6 +268,8 @@ class FakeMultiNodeProvider(NodeProvider):
         raise AssertionError("Readonly node provider cannot be updated")
 
     def create_node_with_resources(self, node_config, tags, count, resources):
+        resources = resources.copy()
+
         with self.lock:
             node_type = tags[TAG_RAY_USER_NODE_TYPE]
             next_id = self._next_hex_node_id()