diff --git a/roles/mqtt/application/templates/main.conf b/roles/mqtt/application/templates/main.conf
index bacdd21..d32e95b 100644
--- a/roles/mqtt/application/templates/main.conf
+++ b/roles/mqtt/application/templates/main.conf
@@ -5,7 +5,7 @@ use_username_as_clientid true
 
 # Socket
 protocol mqtt
-port 8883
+port 1883
 
 # TLS
 require_certificate false