diff --git a/t/db_dependent/OAI/Server.t b/t/db_dependent/OAI/Server.t
index 5da76b4f36..6f6cc378f8 100755
--- a/t/db_dependent/OAI/Server.t
+++ b/t/db_dependent/OAI/Server.t
@@ -611,7 +611,7 @@ subtest 'Tests for timestamp handling' => sub {
 
     my $utc_datetime = dt_from_string(undef, undef, 'UTC');
     my $utc_timestamp = $utc_datetime->ymd . 'T' . $utc_datetime->hms . 'Z';
-    my $timestamp = dt_from_string(undef, 'sql');
+    my $timestamp     = $utc_datetime;
 
     # Test a bib with one item
     my $biblio1 = $builder->build_sample_biblio;
@@ -711,7 +711,7 @@ subtest 'Tests for timestamp handling' => sub {
 
     $utc_datetime = dt_from_string(undef, undef, 'UTC');
     $utc_timestamp = $utc_datetime->ymd . 'T' . $utc_datetime->hms . 'Z';
-    $timestamp = dt_from_string(undef, 'sql');
+    $timestamp     = $utc_datetime;
 
     my $item2 = $builder->build_sample_item(
         {
@@ -749,7 +749,7 @@ subtest 'Tests for timestamp handling' => sub {
     set_relative_time(10);
     $utc_datetime = dt_from_string(undef, undef, 'UTC');
     $utc_timestamp= $utc_datetime->ymd . 'T' . $utc_datetime->hms . 'Z';
-    $timestamp = dt_from_string(undef, 'sql');
+    $timestamp     = $utc_datetime;
 
     $sth_metadata->execute($timestamp, $biblio1->biblionumber);