diff --git a/gen-datacenter.cfg.5-opts.pl b/gen-datacenter.cfg.5-opts.pl
index 1c687c9..37507e5 100755
--- a/gen-datacenter.cfg.5-opts.pl
+++ b/gen-datacenter.cfg.5-opts.pl
@@ -3,9 +3,9 @@
 use lib '.';
 use strict;
 use warnings;
-use PVE::Cluster;
+use PVE::DataCenterConfig;
 use PVE::RESTHandler;
 
-my $schema = PVE::Cluster::get_datacenter_schema();
+my $schema = PVE::DataCenterConfig::get_datacenter_schema();
 
 print PVE::RESTHandler::dump_properties($schema->{properties});