diff --git a/tasks/lxc_container_config.yml b/tasks/lxc_container_config.yml
index 0e82fbf..b8eb004 100644
--- a/tasks/lxc_container_config.yml
+++ b/tasks/lxc_container_config.yml
@@ -28,8 +28,8 @@
 - name: Ensure containers have access RO cgroups
   lineinfile:
     dest: "/var/lib/lxc/{{ inventory_hostname }}/config"
-    line: "lxc.mount.auto = proc:rw sys:ro cgroup:ro"
-    regexp: "^lxc.mount.auto = proc:rw sys:ro cgroup:ro$"
+    line: "lxc.mount.auto = proc:mixed sys:ro cgroup:mixed"
+    regexp: "^lxc.mount.auto = proc:(rw|mixed) sys:ro cgroup:(ro|mixed)$"
     insertafter: "^lxc.mount.auto"
     backup: "true"
   delegate_to: "{{ physical_host }}"