diff --git a/libraries/esp8266/examples/BlinkWithoutDelay/BlinkWithoutDelay.ino b/libraries/esp8266/examples/BlinkWithoutDelay/BlinkWithoutDelay.ino
index 740211d6d..64609a2d0 100644
--- a/libraries/esp8266/examples/BlinkWithoutDelay/BlinkWithoutDelay.ino
+++ b/libraries/esp8266/examples/BlinkWithoutDelay/BlinkWithoutDelay.ino
@@ -16,7 +16,7 @@ unsigned long previousMillis = 0;
 const long interval = 1000;
 
 void setup() {
-  pinMode(BUILTIN_LED, OUTPUT);
+  pinMode(LED_BUILTIN, OUTPUT);
 }
 
 void loop()