diff --git a/mmv1/products/cloudrunv2/WorkerPool.yaml b/mmv1/products/cloudrunv2/WorkerPool.yaml
index f7961cf31976..07fed4ddb1e8 100644
--- a/mmv1/products/cloudrunv2/WorkerPool.yaml
+++ b/mmv1/products/cloudrunv2/WorkerPool.yaml
@@ -294,6 +294,7 @@ properties:
         type: Enum
         description: |
           The scaling mode for the worker pool. It defaults to MANUAL.
+        default_from_api: true
         enum_values:
           - 'AUTOMATIC'
           - 'MANUAL'