diff --git a/Makefile b/Makefile
index 7d2023e..23a59dc 100755
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,9 @@
 #!/bin/bash
 
 #SERIAL_PORT=/dev/ttyUSB0
+SERIAL_PORT=/dev/tty.usbserial-1410
 #SERIAL_PORT=/dev/tty.SLAB_USBtoUART
-SERIAL_PORT=/dev/tty.wchusbserial1410
+#SERIAL_PORT=/dev/tty.wchusbserial1410
 
 all: flash delay libs config update reset