diff --git a/acceptance/openstack/networking/v2/port_test.go b/acceptance/openstack/networking/v2/port_test.go
index 03e8e27..fea3833 100644
--- a/acceptance/openstack/networking/v2/port_test.go
+++ b/acceptance/openstack/networking/v2/port_test.go
@@ -45,7 +45,13 @@
 	th.AssertEquals(t, p.ID, portID)
 
 	// Update port
-	p, err = ports.Update(Client, portID, ports.UpdateOpts{Name: "new_port_name"}).Extract()
+	updateOpts := ports.UpdateOpts{
+		Name: "new_port_name",
+		AllowedAddressPairs: []ports.AddressPair{
+			ports.AddressPair{IPAddress: "192.168.199.201"},
+			},
+	}
+	p, err = ports.Update(Client, portID, updateOpts).Extract()
 	th.AssertNoErr(t, err)
 	th.AssertEquals(t, p.Name, "new_port_name")
 
@@ -108,6 +114,9 @@
 		IPVersion:  subnets.IPv4,
 		Name:       "my_subnet",
 		EnableDHCP: subnets.Down,
+		AllocationPools: []subnets.AllocationPool{
+			subnets.AllocationPool{Start: "192.168.199.2", End: "192.168.199.200"},
+		},
 	}).Extract()
 	return s.ID, err
 }
diff --git a/openstack/networking/v2/ports/results.go b/openstack/networking/v2/ports/results.go
index dd2bd1a..9f6f5c5 100644
--- a/openstack/networking/v2/ports/results.go
+++ b/openstack/networking/v2/ports/results.go
@@ -53,7 +53,7 @@
 
 type AddressPair struct {
 	IPAddress  string `mapstructure:"ip_address" json:"ip_address,omitempty"`
-	MACAddress string `mapstructure:"mac_address" json:"mac_address"`
+	MACAddress string `mapstructure:"mac_address" json:"mac_address,omitempty"`
 }
 
 // Port represents a Neutron port. See package documentation for a top-level