diff --git a/octavia/network/drivers/neutron/allowed_address_pairs.py b/octavia/network/drivers/neutron/allowed_address_pairs.py
index fb312bafbc..66042c5b1d 100644
--- a/octavia/network/drivers/neutron/allowed_address_pairs.py
+++ b/octavia/network/drivers/neutron/allowed_address_pairs.py
@@ -363,7 +363,8 @@ class AllowedAddressPairsDriver(neutron_base.BaseNeutronDriver):
                          'network_id': load_balancer.vip.network_id,
                          'admin_state_up': False,
                          'device_id': 'lb-{0}'.format(load_balancer.id),
-                         'device_owner': OCTAVIA_OWNER}}
+                         'device_owner': OCTAVIA_OWNER,
+                         'project_id': load_balancer.project_id}}
 
         if fixed_ip:
             port['port']['fixed_ips'] = [fixed_ip]
diff --git a/octavia/tests/unit/network/drivers/neutron/test_allowed_address_pairs.py b/octavia/tests/unit/network/drivers/neutron/test_allowed_address_pairs.py
index 0e29f5758c..ba93dbc2b3 100644
--- a/octavia/tests/unit/network/drivers/neutron/test_allowed_address_pairs.py
+++ b/octavia/tests/unit/network/drivers/neutron/test_allowed_address_pairs.py
@@ -418,7 +418,8 @@ class TestAllowedAddressPairsDriver(base.TestCase):
         }}
         fake_lb_vip = data_models.Vip(subnet_id=t_constants.MOCK_SUBNET_ID,
                                       network_id=t_constants.MOCK_NETWORK_ID)
-        fake_lb = data_models.LoadBalancer(id='1', vip=fake_lb_vip)
+        fake_lb = data_models.LoadBalancer(id='1', vip=fake_lb_vip,
+                                           project_id='test-project')
         vip = self.driver.allocate_vip(fake_lb)
         exp_create_port_call = {
             'port': {
@@ -427,6 +428,7 @@ class TestAllowedAddressPairsDriver(base.TestCase):
                 'device_id': 'lb-1',
                 'device_owner': allowed_address_pairs.OCTAVIA_OWNER,
                 'admin_state_up': False,
+                'project_id': 'test-project',
                 'fixed_ips': [{'subnet_id': t_constants.MOCK_SUBNET_ID}]
             }
         }
diff --git a/releasenotes/notes/vip-port-project-id-bbb26b657b08365e.yaml b/releasenotes/notes/vip-port-project-id-bbb26b657b08365e.yaml
new file mode 100644
index 0000000000..1b2711d7a6
--- /dev/null
+++ b/releasenotes/notes/vip-port-project-id-bbb26b657b08365e.yaml
@@ -0,0 +1,9 @@
+---
+fixes:
+  - |
+    Neutron LBaaS was assigning the VIP port it created the user's project-id,
+    thus allowing the user to attach Floating-IPs to the VIP port. Octavia,
+    on the other hand, was assigning the Octavia project-id to the port, making
+    it impossible for the user to attach a Floating IP. This patch brings
+    Octavia's behavior in line with Neutron LBaaS and assigns the user's
+    project-id to the VIP port created by Octavia.