diff --git a/bl-kernel/admin/views/about.php b/bl-kernel/admin/views/about.php
index 734b70d0..61ea5c75 100644
--- a/bl-kernel/admin/views/about.php
+++ b/bl-kernel/admin/views/about.php
@@ -31,6 +31,11 @@ echo '<td>Bludit Build Number</td>';
 echo '<td>'.BLUDIT_BUILD.'</td>';
 echo '</tr>';
 
+echo '<tr>';
+echo '<td>Disk usage</td>';
+echo '<td>'.Filesystem::bytesToHumanFileSize(Filesystem::getSize(PATH_ROOT)).'</td>';
+echo '</tr>';
+
 echo '<tr>';
 echo '<td><a href="'.HTML_PATH_ADMIN_ROOT.'developers'.'">Bludit Developers</a></td>';
 echo '<td></td>';