diff --git a/tasks/install.yml b/tasks/install.yml
index 8861a92..113beee 100644
--- a/tasks/install.yml
+++ b/tasks/install.yml
@@ -31,9 +31,7 @@
       iptables_raw:
         name: allow_mosquitto_port
         state: present
-        rules:
-          - '-A OUTPUT -m state --state NEW -p tcp --dport {{ mosquitto_port }} -j ACCEPT'
-          - '-A INPUT -m state --state NEW -p tcp --dport {{ mosquitto_port }} -j ACCEPT'
+        rules: '-A INPUT -m state --state NEW -p tcp --dport {{ mosquitto_port }} -j ACCEPT'
       when: mosquitto_iptables_enabled
   become: True
   become_user: root