diff --git a/conf/default_ports.conf b/conf/default_ports.conf
index 91c2877..49dfcf5 100644
--- a/conf/default_ports.conf
+++ b/conf/default_ports.conf
@@ -6,7 +6,7 @@
 
 standard_checkmk_port=6556
 standard_cpan_wait_port=1404
-standard_cups_port=$standard_ipp_port
+standard_cups_port=631
 standard_dns_port=53
 standard_ftp_port=21
 standard_ftp_data_port=20