diff --git a/src/GithubIssueHandlerFactory.php b/src/GithubIssueHandlerFactory.php
index fe649da..2472cc3 100644
--- a/src/GithubIssueHandlerFactory.php
+++ b/src/GithubIssueHandlerFactory.php
@@ -11,8 +11,12 @@ class GithubIssueHandlerFactory
 {
     public function __invoke(array $config): Logger
     {
-        if (Arr::has($config, ['repo', 'token'])) {
-            throw new InvalidArgumentException('GitHub repository and token are required');
+        if (! Arr::has($config, 'repo')) {
+            throw new InvalidArgumentException('GitHub repository is required');
+        }
+
+        if (! Arr::has($config, 'token')) {
+            throw new InvalidArgumentException('GitHub token is required');
         }
 
         $handler = new GithubIssueLoggerHandler(
diff --git a/tests/GithubIssueHandlerFactoryTest.php b/tests/GithubIssueHandlerFactoryTest.php
index 74eb03e..419ec5c 100644
--- a/tests/GithubIssueHandlerFactoryTest.php
+++ b/tests/GithubIssueHandlerFactoryTest.php
@@ -1,5 +1,6 @@
 <?php
 
+use Monolog\Handler\HandlerInterface;
 use Monolog\Level;
 use Monolog\Logger;
 use Naoray\LaravelGithubMonolog\GithubIssueFormatter;
@@ -15,7 +16,7 @@
     ];
 
     $factory = new GithubIssueHandlerFactory;
-    $handler = $factory($config);
+    $logger = $factory($config);
 
     expect($logger)
         ->toBeInstanceOf(Logger::class)
@@ -27,10 +28,10 @@
 test('it throws exception for missing required config', function () {
     $factory = new GithubIssueHandlerFactory;
 
-    expect(fn () => $factory([]))
+    expect(fn() => $factory([]))
         ->toThrow(InvalidArgumentException::class, 'GitHub repository is required');
 
-    expect(fn () => $factory(['repo' => 'test/repo']))
+    expect(fn() => $factory(['repo' => 'test/repo']))
         ->toThrow(InvalidArgumentException::class, 'GitHub token is required');
 });
 
@@ -41,7 +42,9 @@
     ];
 
     $factory = new GithubIssueHandlerFactory;
-    $handler = $factory($config);
+    $logger = $factory($config);
+    /** @var GithubIssueLoggerHandler $handler */
+    $handler = $logger->getHandlers()[0];
 
     expect($handler)
         ->toBeInstanceOf(GithubIssueLoggerHandler::class)
@@ -58,7 +61,9 @@
     ];
 
     $factory = new GithubIssueHandlerFactory;
-    $handler = $factory($config);
+    $logger = $factory($config);
+    /** @var GithubIssueLoggerHandler $handler */
+    $handler = $logger->getHandlers()[0];
 
     expect($handler->getLevel())->toBe(Level::Debug);
 });