diff --git a/Examples/WirelessProgramming_OTA/OTA.py b/Examples/WirelessProgramming_OTA/OTA.py
index feee9ee..7a594f5 100644
--- a/Examples/WirelessProgramming_OTA/OTA.py
+++ b/Examples/WirelessProgramming_OTA/OTA.py
@@ -187,7 +187,7 @@ try:
   ser.flushInput();
 except IOError as e:
   print "COM Port [", SERIALPORT, "] not found, exiting..."
-  exitNow(1)
+  exit(1)
 
 try:
   if not 0<TARGET<= 255: