Link comment account problem

Hi all. I have a problem. I was having a wordpress blog along time ago and i delete it. Now i have a new blog but on the same account. The problem is, when i want to comment on a wordpress blog address of the image leads me on my blog old deleted. I trying to change the link on the dasboard personal profile settings on the web page (Automatically linked when you make comments), but no changes. What to do ?

Best Regards !