diff --git a/microvms/music/default.nix b/microvms/music/default.nix
index 4a4349d..7ae2752 100644
--- a/microvms/music/default.nix
+++ b/microvms/music/default.nix
@@ -28,7 +28,7 @@
     interfaces = [{
       type = "tap";
       id = "vm-music";
-      mac = "EA:40:E8:60:C5:37";
+      mac = "02:00:00:00:00:01";
     }];
   };
 
diff --git a/microvms/music/oxaproxy.nix b/microvms/music/oxaproxy.nix
index 3340cdc..899aa17 100644
--- a/microvms/music/oxaproxy.nix
+++ b/microvms/music/oxaproxy.nix
@@ -43,7 +43,7 @@
     };
 
     networks."111-host" = {
-      matchConfig.Name = "enp0s8";
+      matchconfig.MACAddress = "02:00:00:00:00:01";
       networkConfig = {
         Address = "10.99.99.101/24";
       };
diff --git a/microvms/news/default.nix b/microvms/news/default.nix
index 9ad3e18..de074ef 100644
--- a/microvms/news/default.nix
+++ b/microvms/news/default.nix
@@ -27,7 +27,7 @@
     interfaces = [{
       type = "tap";
       id = "vm-news";
-      mac = "EA:40:E8:60:C5:38";
+      mac = "02:00:00:00:00:02";
     }];
   };
 
diff --git a/microvms/news/oxaproxy.nix b/microvms/news/oxaproxy.nix
index 451bb53..d7de046 100644
--- a/microvms/news/oxaproxy.nix
+++ b/microvms/news/oxaproxy.nix
@@ -43,7 +43,7 @@
     };
 
     networks."111-host" = {
-      matchConfig.Name = "enp0s8";
+      matchConfig.MACAddress = (builtins.elemAt config.microvm.interfaces 0).mac;
       networkConfig = {
         Address = "10.99.99.102/24";
       };
diff --git a/microvms/nextcloud/default.nix b/microvms/nextcloud/default.nix
index 3e7776c..2620d20 100644
--- a/microvms/nextcloud/default.nix
+++ b/microvms/nextcloud/default.nix
@@ -70,7 +70,6 @@
       adminuser = "admin";
       adminpassFile = config.sops.secrets."nextcloud/adminpass".path;
     };
-    enableBrokenCiphersForSSE = false;
   };
 
   systemd.services."nextcloud-setup" = {
@@ -104,7 +103,7 @@
     interfaces = [{
       type = "tap";
       id = "vm-nextcloud";
-      mac = "EA:40:E8:60:C5:36";
+      mac = "02:00:00:00:00:00";
     }];
   };
 
diff --git a/microvms/nextcloud/oxaproxy.nix b/microvms/nextcloud/oxaproxy.nix
index c980cce..3a3843c 100644
--- a/microvms/nextcloud/oxaproxy.nix
+++ b/microvms/nextcloud/oxaproxy.nix
@@ -33,7 +33,7 @@
     };
 
     networks."111-host" = {
-      matchConfig.Name = "enp0s8";
+      matchConfig.MACAddress = "02:00:00:00:00:00";
       networkConfig = {
         Address = "10.99.99.100/24";
       };