diff --git a/roles/ceph-docker-common/defaults/main.yml b/roles/ceph-docker-common/defaults/main.yml
new file mode 100644
index 000000000..adc21ceb1
--- /dev/null
+++ b/roles/ceph-docker-common/defaults/main.yml
@@ -0,0 +1,3 @@
+---
+
+ceph_docker_registry: docker.io