diff --git a/client/deployment_protection.go b/client/deployment_protection.go
index bc59c43d..c78d878d 100644
--- a/client/deployment_protection.go
+++ b/client/deployment_protection.go
@@ -13,8 +13,8 @@ type PasswordProtectionWithPassword struct {
 }
 
 type TrustedIpAddress struct {
-	Value string `json:"value"`
-	Note  string `json:"note"`
+	Value string  `json:"value"`
+	Note  *string `json:"note,omitempty"`
 }
 
 type TrustedIps struct {
diff --git a/vercel/data_source_project_test.go b/vercel/data_source_project_test.go
index 34234140..93b040f7 100644
--- a/vercel/data_source_project_test.go
+++ b/vercel/data_source_project_test.go
@@ -31,7 +31,6 @@ func TestAcc_ProjectDataSource(t *testing.T) {
 					resource.TestCheckResourceAttr("data.vercel_project.test", "automatically_expose_system_environment_variables", "true"),
 					resource.TestCheckTypeSetElemNestedAttrs("data.vercel_project.test", "trusted_ips.addresses.*", map[string]string{
 						"value": "1.1.1.1",
-						"note":  "notey note",
 					}),
 					resource.TestCheckResourceAttr("data.vercel_project.test", "trusted_ips.deployment_type", "only_production_deployments"),
 					resource.TestCheckResourceAttr("data.vercel_project.test", "trusted_ips.protection_mode", "trusted_ip_required"),
@@ -82,7 +81,6 @@ resource "vercel_project" "test" {
 	addresses = [
 		{
 			value = "1.1.1.1"
-			note = "notey note"
 		}
 	]
 	deployment_type = "only_production_deployments"
diff --git a/vercel/resource_project.go b/vercel/resource_project.go
index 1cf04cdf..4fe6466a 100644
--- a/vercel/resource_project.go
+++ b/vercel/resource_project.go
@@ -772,7 +772,7 @@ func (t *TrustedIps) toUpdateProjectRequest() *client.TrustedIps {
 	for _, address := range t.Addresses {
 		addresses = append(addresses, client.TrustedIpAddress{
 			Value: address.Value.ValueString(),
-			Note:  address.Note.ValueString(),
+			Note:  address.Note.ValueStringPointer(),
 		})
 	}
 
@@ -967,9 +967,13 @@ func convertResponseToProject(ctx context.Context, response client.ProjectRespon
 	if response.TrustedIps != nil {
 		var addresses []TrustedIpAddress
 		for _, address := range response.TrustedIps.Addresses {
+			var note = types.StringNull()
+			if address.Note != nil {
+				note = types.StringValue(*address.Note)
+			}
 			addresses = append(addresses, TrustedIpAddress{
 				Value: types.StringValue(address.Value),
-				Note:  types.StringValue(address.Note),
+				Note:  note,
 			})
 		}
 		tip = &TrustedIps{