diff --git a/tests/clamav.nix b/tests/clamav.nix
index 7a9f43c..ae186df 100644
--- a/tests/clamav.nix
+++ b/tests/clamav.nix
@@ -84,8 +84,8 @@ pkgs.nixosTest {
             };
         };
       client = { nodes, config, pkgs, ... }: let
-        serverIP = nodes.server.config.networking.primaryIPAddress;
-        clientIP = nodes.client.config.networking.primaryIPAddress;
+        serverIP = nodes.server.networking.primaryIPAddress;
+        clientIP = nodes.client.networking.primaryIPAddress;
         grep-ip = pkgs.writeScriptBin "grep-ip" ''
           #!${pkgs.stdenv.shell}
           echo grep '${clientIP}' "$@" >&2
diff --git a/tests/external.nix b/tests/external.nix
index 497b12a..7579b6d 100644
--- a/tests/external.nix
+++ b/tests/external.nix
@@ -87,8 +87,8 @@ pkgs.nixosTest {
             };
         };
       client = { nodes, config, pkgs, ... }: let
-        serverIP = nodes.server.config.networking.primaryIPAddress;
-        clientIP = nodes.client.config.networking.primaryIPAddress;
+        serverIP = nodes.server.networking.primaryIPAddress;
+        clientIP = nodes.client.networking.primaryIPAddress;
         grep-ip = pkgs.writeScriptBin "grep-ip" ''
           #!${pkgs.stdenv.shell}
           echo grep '${clientIP}' "$@" >&2
diff --git a/tests/ldap.nix b/tests/ldap.nix
index 172a77d..02c5ac1 100644
--- a/tests/ldap.nix
+++ b/tests/ldap.nix
@@ -20,7 +20,7 @@ pkgs.nixosTest {
 
       services.openssh = {
         enable = true;
-        permitRootLogin = "yes";
+        settings.PermitRootLogin = "yes";
       };
 
       environment.systemPackages = [