diff --git a/hooks/neutron_api_hooks.py b/hooks/neutron_api_hooks.py
index ff4377b3..237092fe 100755
--- a/hooks/neutron_api_hooks.py
+++ b/hooks/neutron_api_hooks.py
@@ -27,6 +27,7 @@ from charmhelpers.core.hookenv import (
     is_relation_made,
     local_unit,
     log,
+    DEBUG,
     ERROR,
     WARNING,
     relation_get,
@@ -99,6 +100,7 @@ from neutron_api_context import (
 
 from charmhelpers.contrib.hahelpers.cluster import (
     get_hacluster_config,
+    is_clustered,
     is_elected_leader,
 )
 
@@ -395,6 +397,10 @@ def relation_broken():
 
 @hooks.hook('identity-service-relation-joined')
 def identity_joined(rid=None, relation_trigger=False):
+    if config('vip') and not is_clustered():
+        log('Defering registration until clustered', level=DEBUG)
+        return
+
     public_url = '{}:{}'.format(canonical_url(CONFIGS, PUBLIC),
                                 api_port('neutron-server'))
     admin_url = '{}:{}'.format(canonical_url(CONFIGS, ADMIN),
diff --git a/unit_tests/test_neutron_api_hooks.py b/unit_tests/test_neutron_api_hooks.py
index a8b61ed0..a1a4fb5e 100644
--- a/unit_tests/test_neutron_api_hooks.py
+++ b/unit_tests/test_neutron_api_hooks.py
@@ -66,6 +66,7 @@ TO_PATCH = [
     'get_l2population',
     'get_overlay_network_type',
     'git_install',
+    'is_clustered',
     'is_elected_leader',
     'is_relation_made',
     'log',
@@ -450,6 +451,12 @@ class NeutronAPIHooksTests(CharmTestCase):
             relation_settings=_endpoints
         )
 
+    def test_identity_joined_partial_cluster(self):
+        self.is_clustered.return_value = False
+        self.test_config.set('vip', '10.0.0.10')
+        hooks.identity_joined()
+        self.assertFalse(self.relation_set.called)
+
     @patch('charmhelpers.contrib.openstack.ip.service_name',
            lambda *args: 'neutron-api')
     @patch('charmhelpers.contrib.openstack.ip.unit_get')