diff --git a/libraries/MySensors/MySensor.h b/libraries/MySensors/MySensor.h
index 9b34525..05753f0 100644
--- a/libraries/MySensors/MySensor.h
+++ b/libraries/MySensors/MySensor.h
@@ -85,7 +85,7 @@
 #endif
 
 // Not necessary to include blinking feature if no LED's are defined!
-#if defined(MY_LEDS_BLINKING_FEATURE) && !defined(MY_DEFAULT_RX_LED_PIN) && !defined(MU_DEFAULT_TX_LED_PIN) && !defined(MY_ERR_LED_PIN)
+#if defined(MY_LEDS_BLINKING_FEATURE) && !defined(MY_DEFAULT_RX_LED_PIN) && !defined(MY_DEFAULT_TX_LED_PIN) && !defined(MY_ERR_LED_PIN)
 	#undef MY_LEDS_BLINKING_FEATURE
 #endif