diff --git a/adminer/variables.inc.php b/adminer/variables.inc.php
index a089f778..10be348d 100644
--- a/adminer/variables.inc.php
+++ b/adminer/variables.inc.php
@@ -5,7 +5,7 @@ echo "<table cellspacing='0'>\n";
 $result = $dbh->query("SHOW VARIABLES");
 while ($row = $result->fetch_assoc()) {
 	echo "<tr>";
-	echo "<th><code class='jush-sql_set'>" . htmlspecialchars($row["Variable_name"]) . "</code></th>";
+	echo "<th><code class='jush-sqlset'>" . htmlspecialchars($row["Variable_name"]) . "</code></th>";
 	echo "<td>" . (strlen(trim($row["Value"])) ? htmlspecialchars($row["Value"]) : "&nbsp;") . "</td>";
 	echo "</tr>\n";
 }