diff --git a/openstack/baremetal_introspection/v1/_proxy.py b/openstack/baremetal_introspection/v1/_proxy.py
index 7ad0b0796..05b00964f 100644
--- a/openstack/baremetal_introspection/v1/_proxy.py
+++ b/openstack/baremetal_introspection/v1/_proxy.py
@@ -11,6 +11,7 @@
 # under the License.
 
 from openstack import _log
+from openstack.baremetal.v1 import node as _node
 from openstack.baremetal_introspection.v1 import introspection as _introspect
 from openstack import exceptions
 from openstack import proxy
@@ -63,7 +64,8 @@ class Proxy(proxy.Proxy):
 
         :returns: :class:`~.introspection.Introspection` instance.
         """
-        return self._create(_introspect.Introspection, id=node)
+        node = self._get_resource(_node.Node, node)
+        return self._create(_introspect.Introspection, id=node.id)
 
     def get_introspection(self, introspection):
         """Get a specific introspection.
diff --git a/openstack/tests/unit/baremetal_introspection/v1/test_proxy.py b/openstack/tests/unit/baremetal_introspection/v1/test_proxy.py
index 77f9c2ea5..272afad22 100644
--- a/openstack/tests/unit/baremetal_introspection/v1/test_proxy.py
+++ b/openstack/tests/unit/baremetal_introspection/v1/test_proxy.py
@@ -14,6 +14,7 @@ import mock
 
 from keystoneauth1 import adapter
 
+from openstack.baremetal.v1 import node as _node
 from openstack.baremetal_introspection.v1 import _proxy
 from openstack.baremetal_introspection.v1 import introspection
 from openstack import exceptions
@@ -33,6 +34,12 @@ class TestBaremetalIntrospectionProxy(test_proxy_base.TestProxyBase):
                            method_kwargs={'node': 'abcd'},
                            expected_kwargs={'id': 'abcd'})
 
+    def test_create_introspection_with_node(self):
+        self.verify_create(self.proxy.start_introspection,
+                           introspection.Introspection,
+                           method_kwargs={'node': _node.Node(id='abcd')},
+                           expected_kwargs={'id': 'abcd'})
+
     def test_get_introspection(self):
         self.verify_get(self.proxy.get_introspection,
                         introspection.Introspection)
diff --git a/releasenotes/notes/introspection-node-6a3b7d55839ef82c.yaml b/releasenotes/notes/introspection-node-6a3b7d55839ef82c.yaml
new file mode 100644
index 000000000..4638e8959
--- /dev/null
+++ b/releasenotes/notes/introspection-node-6a3b7d55839ef82c.yaml
@@ -0,0 +1,4 @@
+---
+fixes:
+  - |
+    Fixes using a full `Node` object as an argument to `start_introspection`.