That's rich, commissions are built into it so that if it's ever successful transaction fees will come in and grow over time.

http://en.wikipedia.org/wiki/Bitcoin

"The network never creates more than 50 BTC per block and this amount will decrease over time towards zero, such that no more than 21 million will ever exist.[15] As this payout decreases, the incentive for users to run block-generating nodes is intended to change to earning transaction fees."