Silly me, I haven't set the Programmer to 'Arduino as ISP'. I set it then I got this error message:
avrdude: Version 5.11, compiled on Sep 2 2011 at 18:52:52
Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
Copyright (c) 2007-2009 Joerg Wunsch
System wide configuration file is "/Applications/Arduino 2.app/Contents/Resources/Java/hardware/tools/avr/etc/avrdude.conf"
User configuration file is "/Users/alkopop79/.avrduderc"
User configuration file does not exist or is not a regular file, skipping
Using Port : /dev/tty.usbserial-A9007KZM
Using Programmer : stk500v1
Overriding Baud Rate : 19200
avrdude: Send: 0 [30] [20]
avrdude: Send: 0 [30] [20]
avrdude: Send: 0 [30] [20]
avrdude: Recv: . [15]
avrdude: stk500_getsync(): not in sync: resp=0x15
avrdude done. Thank you.
What am I doing wrong?