diff --git a/nixos/tests/evcc.nix b/nixos/tests/evcc.nix
index 589c8b55843c..24afd1671c8e 100644
--- a/nixos/tests/evcc.nix
+++ b/nixos/tests/evcc.nix
@@ -7,7 +7,7 @@ in
   name = "evcc";
   meta.maintainers = with lib.maintainers; [ hexa ];
 
-  nodes = {
+  containers = {
     machine = {
       services.evcc = {
         enable = true;
diff --git a/nixos/tests/pinnwand.nix b/nixos/tests/pinnwand.nix
index e7e62ee7dacc..f14a22f76686 100644
--- a/nixos/tests/pinnwand.nix
+++ b/nixos/tests/pinnwand.nix
@@ -12,7 +12,7 @@ in
     maintainers = [ hexa ];
   };
 
-  nodes = {
+  containers = {
     server =
       { config, ... }:
       {
diff --git a/nixos/tests/postfix-tlspol.nix b/nixos/tests/postfix-tlspol.nix
index d4f9f69d9bb5..d1af9877adb3 100644
--- a/nixos/tests/postfix-tlspol.nix
+++ b/nixos/tests/postfix-tlspol.nix
@@ -7,7 +7,7 @@
 
   meta.maintainers = with lib.maintainers; [ hexa ];
 
-  nodes.machine = {
+  containers.machine = {
     services.postfix.enable = true;
     services.postfix-tlspol.enable = true;
 
diff --git a/nixos/tests/zigbee2mqtt.nix b/nixos/tests/zigbee2mqtt.nix
index 9f57d1f70ddc..a9e9ff458029 100644
--- a/nixos/tests/zigbee2mqtt.nix
+++ b/nixos/tests/zigbee2mqtt.nix
@@ -6,7 +6,7 @@
 
 {
   name = "zigbee2mqtt";
-  nodes.machine = {
+  containers.machine = {
     systemd.services.dummy-serial = {
       wantedBy = [
         "multi-user.target"