diff --git a/adminer/select.inc.php b/adminer/select.inc.php
index 2ea056a9..5a40aeff 100644
--- a/adminer/select.inc.php
+++ b/adminer/select.inc.php
@@ -331,7 +331,7 @@ if (!$columns && support("table")) {
 						$column = idf_escape($key);
 						$href = remove_from_uri('(order|desc)[^=]*|page') . '&order%5B0%5D=' . urlencode($key);
 						$desc = "&desc%5B0%5D=1";
-						echo "<th>" . script("mixin(qsl('th'), {onmouseover: partial(columnMouse), onmouseout: partial(columnMouse, ' hidden')});", "");
+						echo "<th id='th[" . h(bracket_escape($key)) . "]'>" . script("mixin(qsl('th'), {onmouseover: partial(columnMouse), onmouseout: partial(columnMouse, ' hidden')});", "");
 						echo '<a href="' . h($href . ($order[0] == $column || $order[0] == $key || (!$order && $is_group && $group[0] == $column) ? $desc : '')) . '">'; // $order[0] == $key - COUNT(*)
 						echo apply_sql_function($val["fun"], $name) . "</a>"; //! columns looking like functions
 						echo "<span class='column hidden'>";