diff --git a/fedora-common-ostree.yaml b/fedora-common-ostree.yaml
index 14b3651..558a259 100644
--- a/fedora-common-ostree.yaml
+++ b/fedora-common-ostree.yaml
@@ -3,6 +3,10 @@ ref: fedora/rawhide/${basearch}/ostree-base
 automatic_version_prefix: "39"
 mutate-os-release: "39"
 
+# Default to `bash` in our container, the same as other containers we ship.
+container-cmd:
+  - /usr/bin/bash
+
 include: fedora-common-ostree-pkgs.yaml
 
 # See https://github.com/coreos/bootupd