diff --git a/roles/ceph-docker-common/defaults/main.yml b/roles/ceph-docker-common/defaults/main.yml
index ed97d539c..c9a5ea514 100644
--- a/roles/ceph-docker-common/defaults/main.yml
+++ b/roles/ceph-docker-common/defaults/main.yml
@@ -1 +1,4 @@
 ---
+ceph_conf_overrides:
+  global:
+    log_file: /dev/null