diff --git a/installer/data/mysql/updatedatabase.pl b/installer/data/mysql/updatedatabase.pl
index e3fc4ae6d5..2570cd8a28 100755
--- a/installer/data/mysql/updatedatabase.pl
+++ b/installer/data/mysql/updatedatabase.pl
@@ -14358,7 +14358,7 @@ if( CheckVersion( $DBversion ) ) {
         SELECT expirationdate, waitingdate, branchcode
         FROM reserves
         WHERE found = 'W' AND priority = 0
-    |);
+    |, { Slice => {} });
     my $update_sth = $dbh->prepare(q|
         UPDATE reserves
         SET expirationdate = ?