diff --git a/classes/statistics/TemporaryTotalsDAO.php b/classes/statistics/TemporaryTotalsDAO.php
index 127c11d4071..69e7d13b66a 100644
--- a/classes/statistics/TemporaryTotalsDAO.php
+++ b/classes/statistics/TemporaryTotalsDAO.php
@@ -20,6 +20,7 @@
 namespace APP\statistics;
 
 use APP\core\Application;
+use DateTimeImmutable;
 use Illuminate\Support\Facades\DB;
 use PKP\statistics\PKPTemporaryTotalsDAO;
 
@@ -44,8 +45,8 @@ protected function getInsertData(object $entryData): array
      */
     public function compileIssueMetrics(string $loadId): void
     {
-        $date = substr($loadId, -12, 8);
-        DB::table('metrics_issue')->where('load_id', '=', $loadId)->orWhere('date', '=', DB::raw("DATE({$date})"))->delete();
+        $date = DateTimeImmutable::createFromFormat('Ymd', substr($loadId, -12, 8));
+        DB::table('metrics_issue')->where('load_id', '=', $loadId)->orWhereDate('date', '=', $date)->delete();
 
         $selectIssueMetrics = DB::table($this->table)
             ->select(DB::raw('load_id, context_id, issue_id, DATE(date) as date, count(*) as metric'))
diff --git a/lib/pkp b/lib/pkp
index 36d468f0a7d..fd3942fc266 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 36d468f0a7d2967b0059732a0d22748f5d2afb3b
+Subproject commit fd3942fc2668c3d0f9e08a09f69d13421df463b1