It's a fun game, my only complaint is a UX / expectation issue: when I've placed a block, my natural reaction is to press space again to "enable" the next block

It's a fun game, my only complaint is a UX / expectation issue: when I've placed a block, my natural reaction is to press space again to "enable" the next block for moving but, as it's enable by default, it locks it. I've had to restart a lot because of that.