diff --git a/table.inc.php b/table.inc.php
index 697b63a5..72f665f4 100644
--- a/table.inc.php
+++ b/table.inc.php
@@ -42,7 +42,7 @@ if (!$result) {
 			echo "<td><i>" . implode("</i>, <i>", $foreign_key[2]) . "</i></td>";
 			$link = (strlen($foreign_key[0]) ? "<strong>" . htmlspecialchars($foreign_key[0]) . "</strong>." : "") . htmlspecialchars($foreign_key[1]);
 			echo '<td><a href="' . htmlspecialchars(strlen($foreign_key[0]) ? preg_replace('~db=[^&]*~', "db=" . urlencode($foreign_key[0]), $SELF) : $SELF) . "table=" . urlencode($foreign_key[1]) . "\">$link</a>(<em>" . implode("</em>, <em>", $foreign_key[3]) . "</em>)</td>";
-			echo '<td><a href="' . htmlspecialchars($SELF) . 'foreign=' . urlencode($_GET["table"]) . '&amp;name=' . urlencode($name) . '">' . lang('Alter') . "</a></td>";
+			echo '<td>' . (!strlen($foreign_key[0]) ? '<a href="' . htmlspecialchars($SELF) . 'foreign=' . urlencode($_GET["table"]) . '&amp;name=' . urlencode($name) . '">' . lang('Alter') . '</a>' : '&nbsp;') . '</td>';
 			echo "</tr>\n";
 		}
 		echo "</table>\n";