diff --git a/README.md b/README.md
index 731d28eb..cbd57ebf 100644
--- a/README.md
+++ b/README.md
@@ -98,6 +98,7 @@ Set up (the latest version of) [HAProxy](http://www.haproxy.org/) in Ubuntu syst
 * `haproxy_listen.{n}.balance`: [required]: The load balancing algorithm to be used (e.g. `roundrobin`)
 * `haproxy_listen.{n}.hash_type`: [optional]: The hashing type to be used for balancing (e.g. `consistent`)
 * `haproxy_listen.{n}.maxconn`: [optional]: Fix the maximum number of concurrent connections
+* `haproxy_listen.{n}.logformat`: [optional]: Specifies the log format string to use for traffic logs (e.g. `'"%{+Q}o\ %t\ %s\ %{-Q}r"'`)
 * `haproxy_listen.{n}.source`: [optional]: Set the source address or interface for connections from the proxy
 * `haproxy_listen.{n}.option`: [optional]: Options to set (e.g. `[dontlog-normal]`)
 * `haproxy_listen.{n}.no_option`: [optional]: Options to set (e.g. `[dontlog-normal]`)
diff --git a/templates/etc/haproxy/listen.cfg.j2 b/templates/etc/haproxy/listen.cfg.j2
index 26c30da2..dbda2a9d 100644
--- a/templates/etc/haproxy/listen.cfg.j2
+++ b/templates/etc/haproxy/listen.cfg.j2
@@ -40,6 +40,9 @@ listen {{ listen.name }}
 {% for option in listen.no_option | default([])  %}
   no option {{ option }}
 {% endfor %}
+{% if listen.logformat is defined %}
+  log-format {{ listen.logformat }}
+{% endif %}
 {% if listen.no_log | default(false) == true %}
   no log
 {% endif %}