diff --git a/_config b/_config
index 0b95a31..1a530da 100644
--- a/_config
+++ b/_config
@@ -51,8 +51,8 @@ RepoType: rpm-md:sha512:filelists-ext
   Type: docker
   BuildEngine: podman
   # KUBEVIRTFROM is passed to container Dockerfiles using the --build-arg option, e.g.
-  # docker build --build-arg KUBEVIRTFROM=opensuse/tumbleweed ...
-  BuildFlags: dockerarg:KUBEVIRTFROM=opensuse/tumbleweed
+  # docker build --build-arg KUBEVIRTFROM=alp/bci/bci-base
+  BuildFlags: dockerarg:KUBEVIRTFROM=alp/bci/bci-base
   %ifarch aarch64
     BuildFlags: dockerarg:TARGETARCH=arm64
   %endif