diff --git a/ovn_octavia_provider/driver.py b/ovn_octavia_provider/driver.py
index 1f6a1d95..50a82428 100644
--- a/ovn_octavia_provider/driver.py
+++ b/ovn_octavia_provider/driver.py
@@ -115,7 +115,7 @@ class OvnProviderDriver(driver_base.ProviderDriver):
                 self.pool_create(pool)
                 for member in pool.members:
                     if not member.subnet_id:
-                        member.subnet_id = loadbalancer.vip_network_id
+                        member.subnet_id = loadbalancer.vip_subnet_id
                     self.member_create(member)
 
     def loadbalancer_delete(self, loadbalancer, cascade=False):
diff --git a/ovn_octavia_provider/tests/unit/test_driver.py b/ovn_octavia_provider/tests/unit/test_driver.py
index c819cbb5..bed66034 100644
--- a/ovn_octavia_provider/tests/unit/test_driver.py
+++ b/ovn_octavia_provider/tests/unit/test_driver.py
@@ -183,7 +183,8 @@ class TestOvnProviderDriver(ovn_base.TestOvnOctaviaBase):
             name='favorite_lb0',
             project_id=self.project_id,
             vip_address=self.vip_address,
-            vip_network_id=self.vip_network_id)
+            vip_network_id=self.vip_network_id,
+            vip_subnet_id=self.vip_subnet_id)
         self.ref_lb0 = data_models.LoadBalancer(
             admin_state_up=False,
             listeners=[self.ref_listener],
@@ -809,13 +810,13 @@ class TestOvnProviderDriver(ovn_base.TestOvnOctaviaBase):
             'address': self.ref_member.address,
             'protocol_port': self.ref_member.protocol_port,
             'pool_id': self.ref_member.pool_id,
-            'subnet_id': self.ref_lb_fully_populated.vip_network_id,
+            'subnet_id': self.ref_lb_fully_populated.vip_subnet_id,
             'admin_state_up': self.ref_member.admin_state_up}
         info_dvr = {
             'id': self.ref_member.member_id,
             'address': self.ref_member.address,
             'pool_id': self.ref_member.pool_id,
-            'subnet_id': self.ref_lb_fully_populated.vip_network_id,
+            'subnet_id': self.ref_lb_fully_populated.vip_subnet_id,
             'action': ovn_const.REQ_INFO_MEMBER_ADDED}
         expected_lb_dict = {
             'type': ovn_const.REQ_TYPE_LB_CREATE,