diff --git a/ops/nixos/swann/default.nix b/ops/nixos/swann/default.nix
index 20b088eee5..6bc464b1b2 100644
--- a/ops/nixos/swann/default.nix
+++ b/ops/nixos/swann/default.nix
@@ -15,6 +15,10 @@ in {
   ];
 
   config = mkMerge [ {
+
+    # TODO: erbium is broken; don't deploy!!!
+    my.deploy.enable = false;
+
     boot.initrd.availableKernelModules = [
       "sd_mod"
       "ahci"
@@ -472,9 +476,9 @@ in {
           {
             apply-subnet = "92.118.30.16/28";
             apply-domain-name = "house-ext.as205479.net";
-            apply-domain-name-servers = [ "92.118.30.17" ];
+            apply-dns-servers = [ "92.118.30.17" ];
             apply-routers = [ "92.118.30.17" ];
-            apply-interface-mtu = 1420;
+            apply-mtu = 1420;
             policies = [{
               match-hardware-address = "bc:33:29:26:01:5c";
               apply-host-name = "ps5";
@@ -488,9 +492,9 @@ in {
             apply-range.start = "192.168.1.100";
             apply-range.end = "192.168.1.200";
             apply-domain-name = "house.as205479.net";
-            apply-domain-name-servers = [ "192.168.1.1" ];
+            apply-dns-servers = [ "192.168.1.1" ];
             apply-routers = [ "192.168.1.1" ];
-            apply-interface-mtu = 1420;
+            apply-mtu = 1420;
             policies = [{
               match-hardware-address = "40:8d:5c:1f:e8:68";
               apply-host-name = "totoro";
@@ -521,9 +525,9 @@ in {
             apply-range.start = "192.168.10.10";
             apply-range.end = "192.168.10.200";
             apply-domain-name = "eduroam.as205479.net";
-            apply-domain-name-servers = [ "192.168.10.1" ];
+            apply-dns-servers = [ "192.168.10.1" ];
             apply-routers = [ "192.168.10.1" ];
-            apply-interface-mtu = 1420;
+            apply-mtu = 1420;
           }
         ];
       };