diff --git a/watcher/decision_engine/model/notification/nova.py b/watcher/decision_engine/model/notification/nova.py
index f73e4c273..3ec755e81 100644
--- a/watcher/decision_engine/model/notification/nova.py
+++ b/watcher/decision_engine/model/notification/nova.py
@@ -121,7 +121,7 @@ class NovaNotification(base.NotificationEndpoint):
             if node_data['forced_down'] else element.ServiceState.ONLINE.value)
         node.status = (
             element.ServiceState.DISABLED.value
-            if node_data['host'] else element.ServiceState.ENABLED.value)
+            if node_data['disabled'] else element.ServiceState.ENABLED.value)
 
     def create_compute_node(self, node_hostname):
         """Update the compute node by querying the Nova API."""
diff --git a/watcher/tests/decision_engine/model/notification/data/scenario3_service-update.json b/watcher/tests/decision_engine/model/notification/data/scenario3_service-update-disabled.json
similarity index 100%
rename from watcher/tests/decision_engine/model/notification/data/scenario3_service-update.json
rename to watcher/tests/decision_engine/model/notification/data/scenario3_service-update-disabled.json
diff --git a/watcher/tests/decision_engine/model/notification/data/scenario3_service-update-enabled.json b/watcher/tests/decision_engine/model/notification/data/scenario3_service-update-enabled.json
new file mode 100644
index 000000000..f3e7f2334
--- /dev/null
+++ b/watcher/tests/decision_engine/model/notification/data/scenario3_service-update-enabled.json
@@ -0,0 +1,21 @@
+{
+    "priority": "INFO",
+    "payload": {
+        "nova_object.namespace": "nova",
+        "nova_object.name": "ServiceStatusPayload",
+        "nova_object.version": "1.0",
+        "nova_object.data": {
+            "host": "Node_0",
+            "disabled": false,
+            "last_seen_up": "2012-10-29T13:42:05Z",
+            "binary": "nova-compute",
+            "topic": "compute",
+            "disabled_reason": null,
+            "report_count": 1,
+            "forced_down": false,
+            "version": 15
+        }
+    },
+    "event_type": "service.update",
+    "publisher_id": "nova-compute:Node_0"
+}
diff --git a/watcher/tests/decision_engine/model/notification/test_nova_notifications.py b/watcher/tests/decision_engine/model/notification/test_nova_notifications.py
index fae9d9a43..f99c5dca7 100644
--- a/watcher/tests/decision_engine/model/notification/test_nova_notifications.py
+++ b/watcher/tests/decision_engine/model/notification/test_nova_notifications.py
@@ -127,7 +127,7 @@ class TestNovaNotifications(NotificationTestCase):
         node0_uuid = 'Node_0'
         node0 = compute_model.get_node_by_uuid(node0_uuid)
 
-        message = self.load_message('scenario3_service-update.json')
+        message = self.load_message('scenario3_service-update-disabled.json')
 
         self.assertEqual('hostname_0', node0.hostname)
         self.assertEqual(element.ServiceState.ONLINE.value, node0.state)
@@ -145,6 +145,20 @@ class TestNovaNotifications(NotificationTestCase):
         self.assertEqual(element.ServiceState.OFFLINE.value, node0.state)
         self.assertEqual(element.ServiceState.DISABLED.value, node0.status)
 
+        message = self.load_message('scenario3_service-update-enabled.json')
+
+        handler.info(
+            ctxt=self.context,
+            publisher_id=message['publisher_id'],
+            event_type=message['event_type'],
+            payload=message['payload'],
+            metadata=self.FAKE_METADATA,
+        )
+
+        self.assertEqual('Node_0', node0.hostname)
+        self.assertEqual(element.ServiceState.ONLINE.value, node0.state)
+        self.assertEqual(element.ServiceState.ENABLED.value, node0.status)
+
     def test_nova_instance_update(self):
         compute_model = self.fake_cdmc.generate_scenario_3_with_2_nodes()
         self.fake_cdmc.cluster_data_model = compute_model