diff --git a/src/openapi/service.yaml b/src/openapi/service.yaml
index 368a86473..46f840bea 100644
--- a/src/openapi/service.yaml
+++ b/src/openapi/service.yaml
@@ -199,5 +199,6 @@ IngressPublic:
             - public
           default: public
   nullable: true
+  type: object
   description: Will only accept traffic coming from an external loadbalancer.
   title: External