diff --git a/apis/management.cattle.io/v3/machine_types.go b/apis/management.cattle.io/v3/machine_types.go
index 907823a7..54ad8084 100644
--- a/apis/management.cattle.io/v3/machine_types.go
+++ b/apis/management.cattle.io/v3/machine_types.go
@@ -182,7 +182,7 @@ type MachineDriverCondition struct {
 type MachineDriverSpec struct {
 	DisplayName string `json:"displayName"`
 	Description string `json:"description"`
-	URL         string `json:"url"`
+	URL         string `json:"url" norman:"required"`
 	ExternalID  string `json:"externalId"`
 	Builtin     bool   `json:"builtin"`
 	Active      bool   `json:"active"`