--- subscribe-to-comments.php   (revision 12)
+++ subscribe-to-comments.php   (working copy)
@@ -43,7 +43,7 @@
                }
                else
                {
-                        if ($sg_subscribe->default_subscribed) $checked = 'checked="checked"';
+                        $checked = ($sg_subscribe->default_subscribed) ? 'checked="checked"' : '';
                }
                ?>
         <input type="checkbox" name="subscribe" id="subscribe" value="subscribe" style="width: auto;" <?php echo "$checked" ?> onclick='stc_state_changed()'/>