1 files changed, 2 insertions, 0 deletions
diff --git a/plugins/VisitorInterest/Reports/GetNumberOfVisitsByDaysSinceLast.php b/plugins/VisitorInterest/Reports/GetNumberOfVisitsByDaysSinceLast.php
index c5a2aa471b..fd935d47c6 100644
--- a/plugins/VisitorInterest/Reports/GetNumberOfVisitsByDaysSinceLast.php
+++ b/plugins/VisitorInterest/Reports/GetNumberOfVisitsByDaysSinceLast.php
@@ -14,6 +14,8 @@ use Piwik\Plugins\VisitorInterest\Columns\VisitsByDaysSinceLastVisit;
 
 class GetNumberOfVisitsByDaysSinceLast extends Base
 {
+    protected $defaultSortColumn = '';
+
     protected function init()
     {
         parent::init();