diff --git a/lib/Thruk/Config.pm b/lib/Thruk/Config.pm
index 4bab37b4f..6a1722bd7 100644
--- a/lib/Thruk/Config.pm
+++ b/lib/Thruk/Config.pm
@@ -75,6 +75,8 @@ my $base_defaults = {
     'group_paging_overview'                 => '*3, 10, 100, all',
     'group_paging_grid'                     => '*5, 10, 50, all',
     'group_paging_summary'                  => '*10, 50, 100, all',
+    'default_host_columns'                  => undef,
+    'default_service_columns'               => undef,
     'default_theme'                         => 'Light',
     'default_theme_dark'                    => 'Dark',
     'datetime_format'                       => '%Y-%m-%d  %H:%M:%S',