diff --git a/exercises/neutron-adv-test.sh b/exercises/neutron-adv-test.sh
index a8fbd86..9bcb766 100755
--- a/exercises/neutron-adv-test.sh
+++ b/exercises/neutron-adv-test.sh
@@ -235,7 +235,7 @@
     local NET_ID
     NET_ID=$(neutron net-create --tenant-id $TENANT_ID $NET_NAME $EXTRA| grep ' id ' | awk '{print $4}' )
     die_if_not_set $LINENO NET_ID "Failure creating NET_ID for $TENANT_ID $NET_NAME $EXTRA"
-    neutron subnet-create --ip-version 4 --tenant-id $TENANT_ID --gateway $GATEWAY $NET_ID $CIDR
+    neutron subnet-create --ip-version 4 --tenant-id $TENANT_ID --gateway $GATEWAY --subnetpool None $NET_ID $CIDR
     neutron_debug_admin probe-create --device-owner compute $NET_ID
     source $TOP_DIR/openrc demo demo
 }