diff --git a/elementtypes/AuditLogElementType.php b/elementtypes/AuditLogElementType.php
index 8b99802..038f73a 100644
--- a/elementtypes/AuditLogElementType.php
+++ b/elementtypes/AuditLogElementType.php
@@ -212,6 +212,7 @@ public function modifyElementsQuery(DbCommand $query, ElementCriteriaModel $crit
 
         // Check for date to
         if (!empty($criteria->to)) {
+            $criteria->to->add(new DateInterval('PT23H59M59S'));
             $query->andWhere(DbHelper::parseDateParam('auditlog.dateUpdated', '<= '.DateTimeHelper::formatTimeForDb($criteria->to), $query->params));
         }