diff --git a/nixos/tests/web-servers/unit-php.nix b/nixos/tests/web-servers/unit-php.nix
index c4e89f069f1..00512b506cc 100644
--- a/nixos/tests/web-servers/unit-php.nix
+++ b/nixos/tests/web-servers/unit-php.nix
@@ -1,6 +1,6 @@
 import ../make-test-python.nix ({pkgs, ...}:
- let
-    testdir = pkgs.writeTextDir "www/info.php" "<?php phpinfo();";
+let
+  testdir = pkgs.writeTextDir "www/info.php" "<?php phpinfo();";
 
 in {
   name = "unit-php-test";
@@ -9,37 +9,27 @@ in {
   machine = { config, lib, pkgs, ... }: {
     services.unit = {
       enable = true;
-      config = ''
-        {
-          "listeners": {
-            "*:9074": {
-              "application": "php_74"
-            }
-          },
-          "applications": {
-            "php_74": {
-              "type": "php 7.4",
-              "processes": 1,
-              "user": "testuser",
-              "group": "testgroup",
-              "root": "${testdir}/www",
-              "index": "info.php",
-              "options": {
-                "file": "${pkgs.unit.usedPhp74}/lib/php.ini"
-              }
-            }
-          }
-        }
-      '';
+      config = pkgs.lib.strings.toJSON {
+        listeners."*:9080".application = "php_80";
+        applications.php_80 = {
+          type = "php 8.0";
+          processes = 1;
+          user = "testuser";
+          group = "testgroup";
+          root = "${testdir}/www";
+          index = "info.php";
+          options.file = "${pkgs.unit.usedPhp80}/lib/php.ini";
+        };
+      };
     };
     users = {
       users.testuser = {
         isSystemUser = true;
-        uid = 1074;
+        uid = 1080;
         group = "testgroup";
       };
       groups.testgroup = {
-        gid= 1074;
+        gid = 1080;
       };
     };
   };
@@ -47,8 +37,8 @@ in {
     machine.wait_for_unit("unit.service")
 
     # Check so we get an evaluated PHP back
-    response = machine.succeed("curl -f -vvv -s http://127.0.0.1:9074/")
-    assert "PHP Version ${pkgs.unit.usedPhp74.version}" in response, "PHP version not detected"
+    response = machine.succeed("curl -f -vvv -s http://127.0.0.1:9080/")
+    assert "PHP Version ${pkgs.unit.usedPhp80.version}" in response, "PHP version not detected"
 
     # Check so we have database and some other extensions loaded
     for ext in ["json", "opcache", "pdo_mysql", "pdo_pgsql", "pdo_sqlite"]:
diff --git a/pkgs/servers/http/unit/default.nix b/pkgs/servers/http/unit/default.nix
index d8e46231b74..cb5fafd17cf 100644
--- a/pkgs/servers/http/unit/default.nix
+++ b/pkgs/servers/http/unit/default.nix
@@ -2,7 +2,8 @@
 , pcre2
 , withPython2 ? false, python2
 , withPython3 ? true, python3, ncurses
-, withPHP74 ? true, php74
+, withPHP74 ? false, php74
+, withPHP80 ? true, php80
 , withPerl530 ? false, perl530
 , withPerl532 ? true, perl532
 , withPerldevel ? false, perldevel
@@ -26,6 +27,7 @@ let
   };
 
   php74-unit = php74.override phpConfig;
+  php80-unit = php80.override phpConfig;
 
 in stdenv.mkDerivation rec {
   version = "1.24.0";
@@ -44,6 +46,7 @@ in stdenv.mkDerivation rec {
     ++ optional withPython2 python2
     ++ optionals withPython3 [ python3 ncurses ]
     ++ optional withPHP74 php74-unit
+    ++ optional withPHP80 php80-unit
     ++ optional withPerl530 perl530
     ++ optional withPerl532 perl532
     ++ optional withPerldevel perldevel
@@ -62,11 +65,13 @@ in stdenv.mkDerivation rec {
 
   # Optionally add the PHP derivations used so they can be addressed in the configs
   usedPhp74 = optionals withPHP74 php74-unit;
+  usedPhp80 = optionals withPHP80 php80-unit;
 
   postConfigure = ''
     ${optionalString withPython2    "./configure python --module=python2  --config=python2-config  --lib-path=${python2}/lib"}
     ${optionalString withPython3    "./configure python --module=python3  --config=python3-config  --lib-path=${python3}/lib"}
     ${optionalString withPHP74      "./configure php    --module=php74    --config=${php74-unit.unwrapped.dev}/bin/php-config --lib-path=${php74-unit}/lib"}
+    ${optionalString withPHP80      "./configure php    --module=php80    --config=${php80-unit.unwrapped.dev}/bin/php-config --lib-path=${php80-unit}/lib"}
     ${optionalString withPerl530    "./configure perl   --module=perl530  --perl=${perl530}/bin/perl"}
     ${optionalString withPerl532    "./configure perl   --module=perl532  --perl=${perl532}/bin/perl"}
     ${optionalString withPerldevel  "./configure perl   --module=perldev  --perl=${perldevel}/bin/perl"}