I have a similar case with my own friends. I get along with guys better than girls, but probably because most of my guy friends seek advice on relationship troubles and feel comfortable confiding in me.
But don't punish yourself for being you. So what if you have more male friends? I actually find conversations with guys to be way more invigorating since they give you a totally different perspective on things.
To be honest, we all end up finding those special people we get along with who share mutual understandings even if it is in very small numbers. I think of the few advantages in having girl friends are that you can talk about really girlie stuff like clothes, periods, and overusing of the word "like" and not be embarrassed about it, lol