diff --git a/src/Command/CreateAdminCommand.php b/src/Command/CreateAdminCommand.php
index f17dba8e..a014973b 100644
--- a/src/Command/CreateAdminCommand.php
+++ b/src/Command/CreateAdminCommand.php
@@ -6,6 +6,7 @@
 
 use Buddy\Repman\Message\Admin\ChangeConfig;
 use Buddy\Repman\Message\User\CreateUser;
+use Buddy\Repman\Service\Config;
 use Buddy\Repman\Service\Telemetry;
 use Ramsey\Uuid\Uuid;
 use Symfony\Component\Console\Command\Command;
@@ -67,7 +68,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
 
             if ($this->getHelper('question')->ask($input, $output, $question) === true) {
                 $this->bus->dispatch(new ChangeConfig([
-                    'telemetry' => 'enabled',
+                    Config::TELEMETRY => Config::TELEMETRY_ENABLED,
                 ]));
             }
 
diff --git a/src/Controller/Admin/ConfigController.php b/src/Controller/Admin/ConfigController.php
index 2338d626..af3eee94 100644
--- a/src/Controller/Admin/ConfigController.php
+++ b/src/Controller/Admin/ConfigController.php
@@ -50,7 +50,9 @@ public function toggleTelemetry(Request $request): Response
     {
         $this->telemetry->generateInstanceId();
         $this->dispatchMessage(new ChangeConfig([
-            'telemetry' => $request->isMethod(Request::METHOD_POST) ? 'enable' : 'disable',
+            Config::TELEMETRY => $request->isMethod(Request::METHOD_POST)
+                ? Config::TELEMETRY_ENABLED
+                : Config::TELEMETRY_DISABLED,
         ]));
 
         return $this->redirectToRoute('index');
diff --git a/src/Form/Type/Admin/ConfigType.php b/src/Form/Type/Admin/ConfigType.php
index ce781178..18e914d2 100644
--- a/src/Form/Type/Admin/ConfigType.php
+++ b/src/Form/Type/Admin/ConfigType.php
@@ -4,6 +4,7 @@
 
 namespace Buddy\Repman\Form\Type\Admin;
 
+use Buddy\Repman\Service\Config;
 use Buddy\Repman\Service\Telemetry;
 use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
@@ -53,10 +54,10 @@ public function buildForm(FormBuilderInterface $builder, array $options): void
                     'data-style' => 'btn-secondary',
                 ],
             ])
-            ->add('telemetry', ChoiceType::class, [
+            ->add(Config::TELEMETRY, ChoiceType::class, [
                 'choices' => [
-                    'enabled' => 'enabled',
-                    'disabled' => 'disabled',
+                    Config::TELEMETRY_ENABLED => Config::TELEMETRY_ENABLED,
+                    Config::TELEMETRY_DISABLED => Config::TELEMETRY_DISABLED,
                 ],
                 'help' => "Enable collecting and sending anonymous usage data (<a href=\"{$this->telemetry->docsUrl()}\" target=\"_blank\" rel=\"noopener noreferrer\">more info</a>)",
                 'attr' => [
diff --git a/src/Service/Config.php b/src/Service/Config.php
index 99e62238..576c8b6c 100644
--- a/src/Service/Config.php
+++ b/src/Service/Config.php
@@ -10,6 +10,9 @@
 final class Config
 {
     const CACHE_KEY = 'values';
+    const TELEMETRY = 'telemetry';
+    const TELEMETRY_ENABLED = 'enabled';
+    const TELEMETRY_DISABLED = 'disabled';
 
     private ConfigQuery $configQuery;
     private CacheInterface $cache;
@@ -54,7 +57,7 @@ public function userRegistrationEnabled(): bool
 
     public function telemetryEnabled(): bool
     {
-        return $this->get('telemetry') === 'enabled';
+        return $this->get('telemetry') === self::TELEMETRY_ENABLED;
     }
 
     /**
diff --git a/tests/Functional/Command/SendTelemetryCommandTest.php b/tests/Functional/Command/SendTelemetryCommandTest.php
index 68c1e055..e00fcb39 100644
--- a/tests/Functional/Command/SendTelemetryCommandTest.php
+++ b/tests/Functional/Command/SendTelemetryCommandTest.php
@@ -5,6 +5,7 @@
 namespace Buddy\Repman\Tests\Functional\Command;
 
 use Buddy\Repman\Command\SendTelemetryCommand;
+use Buddy\Repman\Service\Config;
 use Buddy\Repman\Service\Telemetry\TelemetryEndpoint;
 use Buddy\Repman\Tests\Functional\FunctionalTestCase;
 use Ramsey\Uuid\Uuid;
@@ -26,7 +27,7 @@ public function testSendTelemetryWithoutInstanceIdFile(): void
     public function testSendTelemetryWithTelemetryDisabled(): void
     {
         $this->generateInstanceIdFile();
-        $this->fixtures->changeConfig('telemetry', 'disabled');
+        $this->fixtures->changeConfig(Config::TELEMETRY, Config::TELEMETRY_DISABLED);
 
         $commandTester = new CommandTester(
             $this->container()->get(SendTelemetryCommand::class)
@@ -40,7 +41,7 @@ public function testSendTelemetry(): void
         $this->fixtures->createPackage(Uuid::uuid4()->toString());
 
         $this->generateInstanceIdFile();
-        $this->fixtures->changeConfig('telemetry', 'enabled');
+        $this->fixtures->changeConfig(Config::TELEMETRY, Config::TELEMETRY_ENABLED);
 
         $commandTester = new CommandTester(
             $this->container()->get(SendTelemetryCommand::class)