Chrome's back button bug

Chrome's back button bug

everyone!
I have problem with "Back" button in Chrome (version 29.0.1547.62 m). The
problem only appears on some sites (not on all sites).
1) Go to site.com
2) Then go to site.com/1
3) Then go to site.com/2
4) Press "Back" button - get to site.com/1
5) Press "Back" again - get to site.com/2 (but must get site.com)
How to fix this? Thanks!