diff --git a/hotwater.ino b/hotwater.ino
index ca75a79..10f83df 100644
--- a/hotwater.ino
+++ b/hotwater.ino
@@ -11,7 +11,7 @@
 #define LCD_ROWS 2
 #define LCD_ADDRESS 0x27
 
-#define RELAY_PIN D7
+#define RELAY_PIN D3
 #define TEMP_SENSOR_PIN D5
 // network
 // After how much time without connection we will