diff --git a/apis/management.cattle.io/v3/machine_types.go b/apis/management.cattle.io/v3/machine_types.go
index 2edf1495..220953d7 100644
--- a/apis/management.cattle.io/v3/machine_types.go
+++ b/apis/management.cattle.io/v3/machine_types.go
@@ -121,7 +121,7 @@ type MachineSpec struct {
 	CustomConfig         *CustomConfig `json:"customConfig"`
 	Description          string        `json:"description,omitempty"`
 	DisplayName          string        `json:"displayName"`
-	RequestedHostname    string        `json:"requestedHostname,omitempty" norman:"noupdate"`
+	RequestedHostname    string        `json:"requestedHostname,omitempty" norman:"type=dnsLabel,nullable,noupdate"`
 	ClusterName          string        `json:"clusterName,omitempty" norman:"type=reference[cluster],noupdate,required"`
 	Role                 []string      `json:"role,omitempty" norman:"noupdate,type=array[enum],options=etcd|worker|controlplane"`
 	MachineTemplateName  string        `json:"machineTemplateName,omitempty" norman:"type=reference[machineTemplate],noupdate"`
diff --git a/apis/management.cattle.io/v3/schema/schema.go b/apis/management.cattle.io/v3/schema/schema.go
index 235b33f4..633914d2 100644
--- a/apis/management.cattle.io/v3/schema/schema.go
+++ b/apis/management.cattle.io/v3/schema/schema.go
@@ -67,7 +67,15 @@ func clusterTypes(schemas *types.Schemas) *types.Schemas {
 			schema.SubContext = "clusters"
 		}).
 		MustImport(&Version, v3.ClusterEvent{}).
-		MustImport(&Version, v3.ClusterRegistrationToken{})
+		MustImport(&Version, v3.ClusterRegistrationToken{}).
+		MustImportAndCustomize(&Version, v3.Cluster{}, func(schema *types.Schema) {
+			schema.MustCustomizeField("name", func(field types.Field) types.Field {
+				field.Type = "dnsLabel"
+				field.Nullable = true
+				field.Required = false
+				return field
+			})
+		})
 }
 
 func authzTypes(schemas *types.Schemas) *types.Schemas {
@@ -185,6 +193,7 @@ func machineTypes(schemas *types.Schemas) *types.Schemas {
 			}
 		}).
 		MustImport(&Version, v3.MachineTemplate{})
+
 }
 
 func authnTypes(schemas *types.Schemas) *types.Schemas {