diff --git a/conf/main_ipv4.conf.sample b/conf/main_ipv4.conf.sample
index 00a76e4..9512669 100644
--- a/conf/main_ipv4.conf.sample
+++ b/conf/main_ipv4.conf.sample
@@ -389,7 +389,7 @@ http_ports="$standard_http_ports"
 #     Clamp the advertised MSS of incoming HTTPS SYN packets to 1360.
 #
 throttle_tcp6_mss_for_https=false
-tcp6_mss_for_https_val=${default_min_tcp6_mss_for_https_val}
+tcp6_mss_for_https_val=${min_tcp6_mss_for_https_val}
 
 # ip6t-firewall-server,ipt-firewall-server:
 #     some restrictions on HTTP connections to counteract attacks.
diff --git a/conf/main_ipv6.conf.sample b/conf/main_ipv6.conf.sample
index db49843..4906593 100644
--- a/conf/main_ipv6.conf.sample
+++ b/conf/main_ipv6.conf.sample
@@ -405,7 +405,7 @@ http_ports="$standard_http_ports"
 #     Clamp the advertised MSS of incoming HTTPS SYN packets to 1360.
 #
 throttle_tcp6_mss_for_https=false
-tcp6_mss_for_https_val=${default_min_tcp6_mss_for_https_val}
+tcp6_mss_for_https_val=${min_tcp6_mss_for_https_val}
 
 # ip6t-firewall-server,ipt-firewall-server:
 #     some restrictions on HTTP connections to counteract attacks.