My code looks like this:

paginate_links( 
  array(
   'next_text' => __('>'), 
   'prev_text' => __('<'), 
   'base' => @add_query_arg('page', '%#%'), 
   'format' => '?page=%#%&a='.$a, 
   'total' => ceil($count/$per_page), 
   'current' => $page)
)

Everything works perfectly but if I click on for example second page my URL goes to www.domain.com/something/2/?a=5 instead of www.domain.com/something/?page=2&a=5

Is it possible to change it into www.domain.com/something/?page=2&a=5?