diff --git a/openstack/networking/v2/ports/requests.go b/openstack/networking/v2/ports/requests.go
index db81d4a..548b9f2 100644
--- a/openstack/networking/v2/ports/requests.go
+++ b/openstack/networking/v2/ports/requests.go
@@ -170,6 +170,7 @@
 		ReqBody:     &reqBody,
 		Results:     &res,
 		OkCodes:     []int{201},
+		DumpReqJson: true,
 	})
 	if err != nil {
 		return nil, err
diff --git a/openstack/networking/v2/ports/results.go b/openstack/networking/v2/ports/results.go
index 54390dc..f7f947d 100644
--- a/openstack/networking/v2/ports/results.go
+++ b/openstack/networking/v2/ports/results.go
@@ -7,7 +7,7 @@
 
 type IP struct {
 	SubnetID  string `mapstructure:"subnet_id" json:"subnet_id"`
-	IPAddress string `mapstructure:"ip_address" json:"ip_address"`
+	IPAddress string `mapstructure:"ip_address" json:"ip_address,omitempty"`
 }
 
 type Port struct {