diff --git a/openstack/instance_ha/v1/segment.py b/openstack/instance_ha/v1/segment.py
index c13b01e29..e4841202e 100644
--- a/openstack/instance_ha/v1/segment.py
+++ b/openstack/instance_ha/v1/segment.py
@@ -32,6 +32,9 @@ class Segment(resource.Resource):
     allow_commit = True
     allow_delete = True
 
+    # add enabled flag to segment in 1.2
+    _max_microversion = '1.2'
+
     #: A ID of representing this segment.
     id = resource.Body("id")
     #: A Uuid of representing this segment.
@@ -48,7 +51,9 @@ class Segment(resource.Resource):
     recovery_method = resource.Body("recovery_method")
     #: The service type of this segment.
     service_type = resource.Body("service_type")
+    #: The enabled flag of this segment.
+    is_enabled = resource.Body("enabled", type=bool)
 
     _query_mapping = resource.QueryParameters(
         "sort_key", "sort_dir", recovery_method="recovery_method",
-        service_type="service_type")
+        service_type="service_type", is_enabled="enabled")
diff --git a/openstack/tests/unit/instance_ha/v1/test_segment.py b/openstack/tests/unit/instance_ha/v1/test_segment.py
index e38fefae4..af43349b6 100644
--- a/openstack/tests/unit/instance_ha/v1/test_segment.py
+++ b/openstack/tests/unit/instance_ha/v1/test_segment.py
@@ -25,7 +25,8 @@ SEGMENT = {
     "name": "my_segment",
     "description": "something",
     "recovery_method": "auto",
-    "service_type": "COMPUTE_HOST"
+    "service_type": "COMPUTE_HOST",
+    "enabled": True,
 }
 
 
@@ -46,6 +47,7 @@ class TestSegment(base.TestCase):
                               "marker": "marker",
                               "recovery_method": "recovery_method",
                               "service_type": "service_type",
+                              "is_enabled": "enabled",
                               "sort_dir": "sort_dir",
                               "sort_key": "sort_key"},
                              sot._query_mapping._mapping)
@@ -60,3 +62,4 @@ class TestSegment(base.TestCase):
         self.assertEqual(SEGMENT["description"], sot.description)
         self.assertEqual(SEGMENT["recovery_method"], sot.recovery_method)
         self.assertEqual(SEGMENT["service_type"], sot.service_type)
+        self.assertEqual(SEGMENT["enabled"], sot.is_enabled)
diff --git a/releasenotes/notes/add-masakari-enabled-to-segment-0e83da869d2ab03f.yaml b/releasenotes/notes/add-masakari-enabled-to-segment-0e83da869d2ab03f.yaml
new file mode 100644
index 000000000..97d01f59b
--- /dev/null
+++ b/releasenotes/notes/add-masakari-enabled-to-segment-0e83da869d2ab03f.yaml
@@ -0,0 +1,4 @@
+---
+features:
+  - Add support for the ``enabled`` field of the ``Segment`` resource for
+    the instance HA service (Masakari).