diff --git a/bin/tests/system/ifconfig.sh b/bin/tests/system/ifconfig.sh
index c1db966d2e..11f80de4be 100644
--- a/bin/tests/system/ifconfig.sh
+++ b/bin/tests/system/ifconfig.sh
@@ -20,8 +20,8 @@
 #
 # Set up interface aliases for bind9 system tests.
 #
-# IPv4: 10.53.0.{1..7}				RFC 1918
-# IPv6: fd92:7065:b8e:ffff::{1..7}		ULA
+# IPv4: 10.53.0.{1..8}				RFC 1918
+# IPv6: fd92:7065:b8e:ffff::{1..8}		ULA
 #
 
 config_guess=""
@@ -65,7 +65,7 @@ esac
 case "$1" in
 
     start|up)
-	for ns in 1 2 3 4 5 6 7
+	for ns in 1 2 3 4 5 6 7 8
 	do
 		if test -n "$base"
 		then
@@ -147,7 +147,7 @@ case "$1" in
 	;;
 
     stop|down)
-	for ns in 7 6 5 4 3 2 1
+	for ns in 8 7 6 5 4 3 2 1
 	do
 		if test -n "$base"
 		then