diff --git a/test/test-network/conf/ipv6-prefix.network b/test/test-network/conf/ipv6-prefix.network
index 9de0e3147b..aec1d1b2c3 100644
--- a/test/test-network/conf/ipv6-prefix.network
+++ b/test/test-network/conf/ipv6-prefix.network
@@ -2,9 +2,9 @@
 Name=veth-peer
 
 [Network]
-IPv6PrefixDelegation=yes
+IPv6SendRA=yes
 
-[IPv6PrefixDelegation]
+[IPv6SendRA]
 DNS=_link_local 2002:da8:1:0::1
 DNSLifetimeSec=1min
 
diff --git a/test/test-network/conf/ipv6ra-prefix.network b/test/test-network/conf/ipv6ra-prefix.network
index 9dc32cb4da..a0ac1e4537 100644
--- a/test/test-network/conf/ipv6ra-prefix.network
+++ b/test/test-network/conf/ipv6ra-prefix.network
@@ -3,7 +3,7 @@ Name=veth99
 
 [Network]
 DHCP=no
-IPv6PrefixDelegation=yes
+IPv6SendRA=yes
 
 [IPv6Prefix]
 Prefix=2001:db8:0:1::/64