diff --git a/image.yaml b/image.yaml
index a4927474b..96eb1a785 100644
--- a/image.yaml
+++ b/image.yaml
@@ -8,7 +8,7 @@ squashfs-compression: gzip
 # defaulting to `ip=dhcp,dhcp6 rd.neednet=1` when it doesn't see this key.
 ignition-network-kcmdline: []
 
-ostree-format: "oci"
+ostree-format: "oci-chunked"
 
 vmware-os-type: rhel8_64Guest
 # VMware hardware versions: https://kb.vmware.com/s/article/1003746