diff --git a/examples/main.tf b/examples/main.tf
index dd6ba9b0f..c3c2a8507 100644
--- a/examples/main.tf
+++ b/examples/main.tf
@@ -25,8 +25,8 @@ data "netbox_dcim_site" "site_test" {
 }
 
 resource "netbox_ipam_vlan_group" "vlan_group_test" {
-  name = "Test_VlanGroup"
-  slug = "Test_VlanGroup"
+  name    = "Test_VlanGroup"
+  slug    = "Test_VlanGroup"
   site_id = data.netbox_dcim_site.site_test.id
 }
 
@@ -39,13 +39,13 @@ data "netbox_ipam_role" "vlan_role_backup" {
 }
 
 resource "netbox_ipam_vlan" "vlan_test" {
-  vlan_id = 100
-  name = "Test_Vlan"
-  site_id = netbox_ipam_vlan_group.vlan_group_test.site_id
-  description = "VLAN created by terraform"
+  vlan_id       = 100
+  name          = "Test_Vlan"
+  site_id       = netbox_ipam_vlan_group.vlan_group_test.site_id
+  description   = "VLAN created by terraform"
   vlan_group_id = netbox_ipam_vlan_group.vlan_group_test.id
-  tenant_id = netbox_tenancy_tenant.tenant_test.id
-  role_id = data.netbox_ipam_role.vlan_role_production.id
+  tenant_id     = netbox_tenancy_tenant.tenant_test.id
+  role_id       = data.netbox_ipam_role.vlan_role_production.id
 
   tag {
     name = "tag1"
@@ -59,11 +59,11 @@ resource "netbox_ipam_vlan" "vlan_test" {
 }
 
 resource "netbox_ipam_prefix" "prefix_test" {
-  prefix = "192.168.56.0/24"
-  vlan_id = netbox_ipam_vlan.vlan_test.id
+  prefix      = "192.168.56.0/24"
+  vlan_id     = netbox_ipam_vlan.vlan_test.id
   description = "Prefix created by terraform"
-  site_id = netbox_ipam_vlan_group.vlan_group_test.site_id
-  role_id = data.netbox_ipam_role.vlan_role_production.id
+  site_id     = netbox_ipam_vlan_group.vlan_group_test.site_id
+  role_id     = data.netbox_ipam_role.vlan_role_production.id
 
   tag {
     name = "tag1"
@@ -77,10 +77,11 @@ resource "netbox_ipam_prefix" "prefix_test" {
 }
 
 resource "netbox_ipam_ip_addresses" "ip_test" {
-  address = "192.168.56.1/24"
-  status = "active"
-  tenant_id = netbox_tenancy_tenant.tenant_test.id
-  object_id = netbox_virtualization_interface.interface_test.id
+  address     = "192.168.56.1/24"
+  status      = "active"
+  tenant_id   = netbox_tenancy_tenant.tenant_test.id
+  object_id   = netbox_virtualization_interface.interface_test.id
+  object_type = netbox_virtualization_interface.interface_test.type
 
   tag {
     name = "tag1"
@@ -109,8 +110,8 @@ resource "netbox_virtualization_vm" "vm_test" {
 }
 
 resource "netbox_virtualization_interface" "interface_test" {
-  name = "default"
+  name              = "default"
   virtualmachine_id = netbox_virtualization_vm.vm_test.id
-  mac_address = "AA:AA:AA:AA:AA:AA"
-  description = "Interface de test"
+  mac_address       = "AA:AA:AA:AA:AA:AA"
+  description       = "Interface de test"
 }
diff --git a/netbox/resource_netbox_ipam_ip_addresses.go b/netbox/resource_netbox_ipam_ip_addresses.go
index b6e8265fd..d510194bb 100644
--- a/netbox/resource_netbox_ipam_ip_addresses.go
+++ b/netbox/resource_netbox_ipam_ip_addresses.go
@@ -48,7 +48,7 @@ func resourceNetboxIpamIPAddresses() *schema.Resource {
 			"object_type": {
 				Type:     schema.TypeString,
 				Optional: true,
-				Default:  "",
+				Default:  "virtualization.vminterface",
 				ValidateFunc: validation.StringInSlice([]string{
 					"virtualization.vminterface", "dcim.interface"}, false),
 			},
@@ -111,7 +111,7 @@ func resourceNetboxIpamIPAddressesCreate(d *schema.ResourceData,
 	description := d.Get("description").(string)
 	dnsName := d.Get("dns_name").(string)
 	objectID := int64(d.Get("object_id").(int))
-	interfaceType := d.Get("object_type").(string)
+	objectType := d.Get("object_type").(string)
 	natInsideID := int64(d.Get("nat_inside_id").(int))
 	natOutsideID := int64(d.Get("nat_outside_id").(int))
 	role := d.Get("role").(string)
@@ -131,7 +131,7 @@ func resourceNetboxIpamIPAddressesCreate(d *schema.ResourceData,
 
 	if objectID != 0 {
 		newResource.AssignedObjectID = &objectID
-		newResource.AssignedObjectType = interfaceType
+		newResource.AssignedObjectType = objectType
 	}
 
 	if natInsideID != 0 {
@@ -197,8 +197,11 @@ func resourceNetboxIpamIPAddressesRead(d *schema.ResourceData,
 				}
 			}
 
-			if err = d.Set("object_type",
-				resource.AssignedObjectType); err != nil {
+			objectType := resource.AssignedObjectType
+			if objectType == "" {
+				objectType = "virtualization.vminterface"
+			}
+			if err = d.Set("object_type", objectType); err != nil {
 				return err
 			}
 
@@ -296,15 +299,17 @@ func resourceNetboxIpamIPAddressesUpdate(d *schema.ResourceData,
 		params.DNSName = d.Get("dns_name").(string)
 	}
 
-	if d.HasChange("object_type") {
-		params.AssignedObjectType = d.Get("object_type").(string)
-	}
-
-	if d.HasChange("object_id") {
+	if d.HasChange("object_id") || d.HasChange("object_type") {
 		objectID := int64(d.Get("object_id").(int))
-		if objectID != 0 {
-			params.AssignedObjectID = &objectID
+		params.AssignedObjectID = &objectID
+
+		var objectType string
+		if params.AssignedObjectType == "" {
+			objectType = "virtualization.vminterface"
+		} else {
+			objectType = d.Get("object_type").(string)
 		}
+		params.AssignedObjectType = objectType
 	}
 
 	if d.HasChange("nat_inside_id") {