diff --git a/defaults/main.yml b/defaults/main.yml
index 07e4bb2d..91dfcc9a 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -223,3 +223,5 @@ lxc_centos_package_key: "{{ _lxc_centos_package_key }}"
 
 lxc_ubuntu_mirror: "{{ (ansible_facts['architecture'] == 'x86_64') | ternary('http://archive.ubuntu.com/ubuntu', 'http://ports.ubuntu.com/ubuntu-ports') }}"
 lxc_apt_mirror: "{{ (ansible_facts['distribution'] == 'Ubuntu') | ternary(lxc_ubuntu_mirror, 'http://deb.debian.org/debian') }}"
+
+lxc_sysctl_file: "{{ openstack_sysctl_file | default('/etc/sysctl.conf') }}"
diff --git a/tasks/lxc_post_install.yml b/tasks/lxc_post_install.yml
index 9bed91f0..4fdf82c5 100644
--- a/tasks/lxc_post_install.yml
+++ b/tasks/lxc_post_install.yml
@@ -79,6 +79,7 @@
     name: "{{ item.key }}"
     value: "{{ item.value }}"
     sysctl_set: "{{ item.set | default('yes') }}"
+    sysctl_file: "{{ lxc_sysctl_file }}"
     state: "{{ item.state | default('present') }}"
     reload: "{{ item.reload | default('yes') }}"
   failed_when: false