diff --git a/nix/tests/core.nix b/nix/tests/core.nix
index ccc4c01f..f2b9fa6b 100644
--- a/nix/tests/core.nix
+++ b/nix/tests/core.nix
@@ -145,10 +145,10 @@ in
       coremaster.succeed("named-checkzone scale.lan ${scaleZone}")
       client1.wait_for_unit("systemd-networkd-wait-online.service")
       client1.wait_until_succeeds("ping -c 5 ${coremasterAddr.ipv4}")
-      #client1.wait_until_succeeds("ping -c 5 -6 ${coremasterAddr.ipv6}")
+      client1.wait_until_succeeds("ping -c 5 -6 ${coremasterAddr.ipv6}")
       client1.wait_until_succeeds("ip route show | grep default | grep -w ${routerAddr.ipv4}")
       # ensure that we got the correct prefix and suffix on dhcpv6
-      #client1.wait_until_succeeds("ip addr show dev eth1 | grep inet6 | grep ${chomp}:d8c")
+      client1.wait_until_succeeds("ip addr show dev eth1 | grep inet6 | grep ${chomp}:d8c")
       # Have to wrap drill since retcode isnt necessarily 1 on query failure
       client1.wait_until_succeeds("test ! -z \"$(drill -Q -z scale.lan SOA)\"")
       client1.wait_until_succeeds("test ! -z \"$(drill -Q -z coreexpo.scale.lan A)\"")