diff --git a/group_vars/all.sample b/group_vars/all.sample
index 4750bb2e0..baa9a077d 100644
--- a/group_vars/all.sample
+++ b/group_vars/all.sample
@@ -340,3 +340,7 @@ dummy:
 
 #docker: false
 
+# Do not comment the variable mon_containerized_deployment_with_kv here. This variable is being used
+# by ceph.conf.j2 template. so it should always be defined
+#mon_containerized_deployment_with_kv: false
+
diff --git a/roles/ceph-common/defaults/main.yml b/roles/ceph-common/defaults/main.yml
index 8348840f5..8ae6d686a 100644
--- a/roles/ceph-common/defaults/main.yml
+++ b/roles/ceph-common/defaults/main.yml
@@ -331,3 +331,7 @@ os_tuning_params:
 ##########
 
 docker: false
+
+# Do not comment the variable mon_containerized_deployment_with_kv here. This variable is being used
+# by ceph.conf.j2 template. so it should always be defined
+mon_containerized_deployment_with_kv: false