diff --git a/src/main.cpp b/src/main.cpp
index 205f899..86c6cb6 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -6,6 +6,7 @@ const int TEMPERATURE_INTERVAL = 60;
 unsigned long lastTemperatureSent = 0;
 
 const int PIN_RELAY = D1;
+const int PIN_DHT11 = D2;
 #define OUTPUT_SET(x)  digitalWrite(PIN_RELAY, x ? LOW : HIGH)
 unsigned int timer = 0;
 unsigned int next_timer_update = 0;
@@ -50,7 +51,7 @@ void setupHandler() {
   powerNode.setProperty("timer").send("0");
 
     
-  dht.setup(D1, DHTesp::DHT11); // Connect DHT sensor to GPIO 17
+  dht.setup(PIN_DHT11, DHTesp::DHT11); // Connect DHT sensor to GPIO 17
 }
 
 void loopHandler() {