diff --git a/sdm630_mqtt.py b/sdm630_mqtt.py
index c8ff91c..0bd413c 100644
--- a/sdm630_mqtt.py
+++ b/sdm630_mqtt.py
@@ -21,7 +21,7 @@ class SDM630_MQTT:
             port=config["modbus"]["port"],
             unit_id=config["modbus"]["unit_id"],
         )
-        self.modbus.timeout = 10
+        self.modbus.timeout = 1
 
         self.mqtt = mqtt.Client()
         self.mqtt_host = config["mqtt"]["host"]