diff --git a/t/db_dependent/Auth_with_ldap.t b/t/db_dependent/Auth_with_ldap.t
index 601820df1e..f6e47fb450 100755
--- a/t/db_dependent/Auth_with_ldap.t
+++ b/t/db_dependent/Auth_with_ldap.t
@@ -276,10 +276,11 @@ subtest 'checkpw_ldap tests' => sub {
         $welcome   = 0;
 
         # replicate testing with checkpw
+        my $time_now = dt_from_string()->ymd . ' ' . dt_from_string()->hms;
         C4::Auth::checkpw( 'hola', password => 'hey' );
         my $patron_replicated_from_auth = Koha::Patrons->search( { userid => 'hola' } )->next;
         is(
-            $patron_replicated_from_auth->updated_on, dt_from_string()->ymd . ' ' . dt_from_string()->hms,
+            $patron_replicated_from_auth->updated_on, $time_now,
             "updated_on correctly saved on newly created user"
         );
 
diff --git a/t/db_dependent/Auth_with_shibboleth.t b/t/db_dependent/Auth_with_shibboleth.t
index f650d58143..2e518f9e85 100755
--- a/t/db_dependent/Auth_with_shibboleth.t
+++ b/t/db_dependent/Auth_with_shibboleth.t
@@ -288,6 +288,7 @@ subtest "checkpw_shib tests" => sub {
     $ENV{'emailpro'} = 'me@myemail.com';
     $ENV{branchcode} = $library->branchcode;      # needed since T::D::C does no longer hides the FK constraint
 
+    my $time_now = dt_from_string()->ymd . ' ' . dt_from_string()->hms;
     checkpw($shib_login);
     ok my $new_user_autocreated = $schema->resultset('Borrower')->search( { 'userid' => 'test43210' }, { rows => 1 } ),
         "new user found";
@@ -295,7 +296,7 @@ subtest "checkpw_shib tests" => sub {
     my $rec_autocreated = $new_user_autocreated->next;
     is_deeply(
         [ map { $rec_autocreated->$_ } qw/updated_on/ ],
-        [ dt_from_string()->ymd . ' ' . dt_from_string()->hms ],
+        [$time_now],
         'updated_on correctly saved on newly created user'
     );
 };