diff --git a/src/etc/inc/system.inc b/src/etc/inc/system.inc
index 366b3896e..4596d3cbc 100644
--- a/src/etc/inc/system.inc
+++ b/src/etc/inc/system.inc
@@ -122,6 +122,8 @@ function system_sysctl_defaults()
         'security.bsd.see_other_gids' => [ 'default' => '0' ],
         'security.bsd.see_other_uids' => [ 'default' => '0' ],
         'vfs.read_max' => [ 'default' => '32' ],
+        'vfs.zfs.txg.timeout' => [ 'default' => '90' ],
+        'vfs.zfs.dirty_data_sync_percent' => [ 'default' => '5' ],
         'vm.pmap.pti' => [ 'default' => '1' ],
     ];
 }