diff --git a/ansible/roles/masakari/templates/masakari.conf.j2 b/ansible/roles/masakari/templates/masakari.conf.j2
index da0ef60ad4..b77880073f 100644
--- a/ansible/roles/masakari/templates/masakari.conf.j2
+++ b/ansible/roles/masakari/templates/masakari.conf.j2
@@ -6,6 +6,7 @@ masakari_api_listen_port = {{ masakari_api_port }}
 enabled_apis = masakari_api
 state_path = /var/lib/masakari
 transport_url = {{ rpc_transport_url }}
+os_region_name = {{ openstack_region_name }}
 os_user_domain_name = {{ default_user_domain_id }}
 os_project_domain_name = {{ default_project_domain_id }}
 os_privileged_user_tenant = service
diff --git a/releasenotes/notes/bug-1939291-bf2e405d286e4b07.yaml b/releasenotes/notes/bug-1939291-bf2e405d286e4b07.yaml
new file mode 100644
index 0000000000..ba50e7d96c
--- /dev/null
+++ b/releasenotes/notes/bug-1939291-bf2e405d286e4b07.yaml
@@ -0,0 +1,6 @@
+---
+fixes:
+  - |
+    Fixes Masakari in multi-region deployments to query Nova API in its
+    own region.
+    `LP#1939291 <https://launchpad.net/bugs/1939291>`__