diff --git a/thermo_sensor_v2.ino b/thermo_sensor_v2.ino
index 60ad6ce..2e4688b 100644
--- a/thermo_sensor_v2.ino
+++ b/thermo_sensor_v2.ino
@@ -7,7 +7,7 @@
 // reboot (in millis)
 #define NON_CONNECTED_REBOOT_TIMEOUT 60000 
 
-#define DHTPIN 5
+#define DHTPIN D5
 #define DHTTYPE DHT22
 #define READ_INTERVAL 100
 #define TCP_PORT 15000