--- a/web/event_form.php	Wed Nov 27 13:03:08 2013 +0100
+++ b/web/event_form.php	Wed Nov 27 13:21:24 2013 +0100
@@ -111,7 +111,8 @@
 				</div>
 				<div class="event-field">
 					<label for="islive"><?php print $translate->_("islive");?></label>
-					<input type="checkbox" name="islive" id="islive"/>
+					<input type="hidden" name="islive" value="__FALSE__"/>
+					<input type="checkbox" name="islive" id="islive" value="__TRUE__"/>
 					<div class="event-field-help"><?php print $translate->_("islive_help"); ?></div>
 				</div>
 				<div class="event-field">