diff --git a/defaults/main.yml b/defaults/main.yml
index ea51a14..32ff2aa 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -1,6 +1,7 @@
 mosquitto_user: mosquitto
 mosquitto_group: mosquitto
 mosquitto_port: 61000
+mosquitto_bind_address: localhost
 mosquitto_pid_dir: /var/run
 mosquitto_base_dir: /etc/mosquitto
 mosquitto_config_dir: "{{ mosquitto_base_dir }}/conf.d"
diff --git a/templates/etc/mosquitto/conf.d/default.conf.j2 b/templates/etc/mosquitto/conf.d/default.conf.j2
index cacdba6..de8872c 100644
--- a/templates/etc/mosquitto/conf.d/default.conf.j2
+++ b/templates/etc/mosquitto/conf.d/default.conf.j2
@@ -1,6 +1,7 @@
 ## {{ ansible_managed }}
 
 port {{ mosquitto_port }}
+bind_address {{ mosquitto_bind_address }}
 user {{ mosquitto_user }}
 
 persistence_file mosquitto.db