If there are a few languages on your Drupal-based site (the site is multilanguage) then logo and/or site name should refer to home page on the selected language rather than on the main site language.

Solution

• Open page.tpl.php file in current theme folder
• Find “$logo” line in this file – this is logo output. Site name output is usually about somewhere.
• Find how the link is formed. Usually it is
  

  echo check_url($base_path);

  or

  print $base_path;

• Replace it with:
  

  echo url(‘<front>’, array(‘absolute’ => TRUE));

That is all!