diff --git a/ge1mer/domofon.yaml b/ge1mer/domofon.yaml
index 0d1a9a3..6a43aa1 100644
--- a/ge1mer/domofon.yaml
+++ b/ge1mer/domofon.yaml
@@ -28,6 +28,12 @@ substitutions:
   ap_ssid: "Domofon"
   ap_password: "1234567890"
 
+  # MQTT credentials
+  mqtt_host: 10.0.0.1
+  mqtt_port: 1883
+  mqtt_username: ""
+  mqtt_password: ""
+
   # OTA and API
   ota_password: "esphome"
   api_password: "esphome"
diff --git a/ge1mer/domofon_packages/mqtt.yaml b/ge1mer/domofon_packages/mqtt.yaml
index f78d638..8529813 100644
--- a/ge1mer/domofon_packages/mqtt.yaml
+++ b/ge1mer/domofon_packages/mqtt.yaml
@@ -1,2 +1,6 @@
 mqtt:
-  broker: 10.0.0.1
\ No newline at end of file
+  broker: $mqtt_host
+  port: $mqtt_port
+  discovery: false
+  username: $mqtt_username
+  password: $mqtt_password
\ No newline at end of file