diff --git a/brmdoor/Makefile b/brmdoor/Makefile
index 0f9f9f7..a4439cd 100644
--- a/brmdoor/Makefile
+++ b/brmdoor/Makefile
@@ -5,6 +5,6 @@ ARDUINO_PORT = /dev/ttyUSB0
 
 TARGET       = brmdoor
 
-ARDUINO_LIBS = AltSoftSerial
+ARDUINO_LIBS = SoftwareSerial
 
 include /usr/share/arduino/Arduino.mk