diff --git a/fedora.conf b/fedora.conf
index 433be8d..142f275 100644
--- a/fedora.conf
+++ b/fedora.conf
@@ -675,6 +675,7 @@ ostree_installer = [
         "x86_64": {
             "source_repo_from": "Everything",
             "release": None,
+            "rootfs_size": "3",
             "installpkgs": ["fedora-productimg-atomic"],
             "add_template": ["atomic-installer/lorax-configure-repo.tmpl"],
             "add_template_var": [