diff --git a/apis/cf/latest/components/schemas/RelationshipToOne.yaml b/apis/cf/latest/components/schemas/RelationshipToOne.yaml
index 421c53d..26e294e 100644
--- a/apis/cf/latest/components/schemas/RelationshipToOne.yaml
+++ b/apis/cf/latest/components/schemas/RelationshipToOne.yaml
@@ -1,8 +1,7 @@
 type: object
 properties:
   data:
-    oneOf:
-      - $ref: './Relationship.yaml'
-      - type: "null"
+    type: [object, "null"]
+    $ref: './Relationship.yaml'
 description: |
   Some relationships relate a resource to exactly one other resource. For example an app can belong to only one space.