diff --git a/module/VuFind/src/VuFind/ILS/Driver/KohaILSDI.php b/module/VuFind/src/VuFind/ILS/Driver/KohaILSDI.php
index 49c0bb9c8d6d04821baf48ba2ac867bb81f09c3c..022f2ed9ecc2b9289b81b1b931dfd2cb39cbf7de 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/KohaILSDI.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/KohaILSDI.php
@@ -1618,12 +1618,11 @@ class KohaILSDI extends \VuFind\ILS\Driver\AbstractBase implements
             }
 
             $sql = "SELECT b.title, b.biblionumber,
-                       MAX(CONCAT(s.publisheddate, ' / ',s.serialseq))
+                       CONCAT(s.publisheddate, ' / ',s.serialseq)
                          AS 'date and enumeration'
                     FROM serial s
                     LEFT JOIN biblio b USING (biblionumber)
                     WHERE s.STATUS=2 and b.biblionumber = :id
-                    GROUP BY b.biblionumber
                     ORDER BY s.publisheddate DESC";
 
             $sqlStmt = $this->db->prepare($sql);