"Useful post" links send us back to the first page of multipage threads

This is probably a bug: when we mark specific posts as useful, we are sent back to the first page of multipage threads.

"Useful post" address:

LQ/questions/helpfulanswers.php?do=rate&postid=572**18&rank=1


Addresses of thread pages:

LQ/questions/linux-software-2/bash-simple-lines-known-values-for-variables-wrong-behaviour-what-is-wrong-4175607815/

LQ/questions/linux-software-2/bash-simple-lines-known-values-for-variables-wrong-behaviour-what-is-wrong-4175607815/page2.html

LQ/questions/linux-software-2/bash-simple-lines-known-values-for-variables-wrong-behaviour-what-is-wrong-4175607815/page3.html

LQ/questions/linux-software-2/bash-simple-lines-known-values-for-variables-wrong-behaviour-what-is-wrong-4175607815/page4.html