diff --git a/admin/reports.inc.php b/admin/reports.inc.php
index 707e57d0..a74c0359 100644
--- a/admin/reports.inc.php
+++ b/admin/reports.inc.php
@@ -333,7 +333,10 @@ foreach($report_stock as $n=>$v) {
 	$report['loc'] = array();
 
 	$fieldvar = "report_{$report['type']}s_fields";
-	$allow_fields = array_keys($$fieldvar);
+	if(is_array($$fieldvar)) 
+		$allow_fields = array_keys($$fieldvar);
+	else
+		$allow_fields=array();
 
  	$q = mysql_query("SELECT * FROM reports_items 
 			WHERE reports_id='{$report['id']}'