diff --git a/webui/model/stat/chart.php b/webui/model/stat/chart.php
index 2b706b63..b788a685 100644
--- a/webui/model/stat/chart.php
+++ b/webui/model/stat/chart.php
@@ -43,9 +43,9 @@ class ModelStatChart extends Model {
             if($q) { $q .= ",?"; } else { $q = "?"; }
          }
          reset($auditdomains);
-         $query = $this->db->query("select arrived-(arrived%$delta) as ts, count(*) as num from " . VIEW_MESSAGES . " where arrived > $range AND todomain IN ($q) $domains $grouping ORDER BY ts DESC limit $limit", $auditdomains);
+         $query = $this->db->query("select ANY_VALUE(arrived-(arrived%$delta)) as ts, count(*) as num from " . VIEW_MESSAGES . " where arrived > $range AND todomain IN ($q) $domains $grouping ORDER BY ts DESC limit $limit", $auditdomains);
       } else {
-         $query = $this->db->query("select arrived-(arrived%$delta) as ts, count(*) as num from " . TABLE_META . " where arrived > $range $grouping ORDER BY ts DESC limit $limit");
+         $query = $this->db->query("select ANY_VALUE(arrived-(arrived%$delta)) as ts, count(*) as num from " . TABLE_META . " where arrived > $range $grouping ORDER BY ts DESC limit $limit");
       }
 
 
@@ -114,7 +114,7 @@ class ModelStatChart extends Model {
       $chart->setDataSet($dataSet);
       $chart->setTitle($title);
 
-      $this->sendOutput($chart, $output);
+      @$this->sendOutput($chart, $output);
    }