diff --git a/defaults/main.yml b/defaults/main.yml
index 997437b1..09d68846 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -26,6 +26,7 @@ galera_force_bootstrap: false
 galera_wsrep_node_name: "{{ inventory_hostname }}"
 galera_cluster_name: openstack_galera_cluster
 galera_server_bind_address: "{{ openstack_service_bind_address | default('0.0.0.0') }}"
+galera_server_proxy_protocol_networks: ""
 
 # The galera server-id should be set on all cluster nodes to ensure
 #  that replication is handled correctly and the error
diff --git a/templates/my.cnf.j2 b/templates/my.cnf.j2
index aa02ace4..c58a038c 100644
--- a/templates/my.cnf.j2
+++ b/templates/my.cnf.j2
@@ -32,6 +32,10 @@ tmpdir = {{ galera_tmp_dir }}
 ignore_db_dirs = {{ galera_ignore_db_dirs | join(',') }}
 
 bind-address = {{ galera_server_bind_address }}
+{% if galera_server_proxy_protocol_networks %}
+proxy-protocol-networks = {{ galera_server_proxy_protocol_networks }}
+{% endif %}
+
 {% if galera_server_id is defined %}
 server-id = {{ galera_server_id }}
 {% endif %}