You can always change your mind later (Score 1)

That being said, you won't necessarily be good at it. There tends to be this myth that CS is for the EE guys that couldn't hack it. I've the unfortunate experience to work with a fair share of EE guys that couldn't find work, switched over to software, and now are busy destroying various software applications. Do you want want! You'll hopefully be good at. Good quality people are always in demand.