diff --git a/admin/reports.inc.php b/admin/reports.inc.php
index 4c03dac4..fa9ec8c7 100644
--- a/admin/reports.inc.php
+++ b/admin/reports.inc.php
@@ -497,6 +497,7 @@ foreach($report_stock as $n=>$v) {
 	global $report_tours_fields, $report_fairs_fields;
 	global $report_fundraisings_fields;
 	global $filter_ops;
+	global $conference;
 
 	//print_r($report);
 	$fieldvar = "report_{$report['type']}s_fields";