diff --git a/src/Middleware/WindowsAuthenticate.php b/src/Middleware/WindowsAuthenticate.php
index ad9ec366..810d3513 100644
--- a/src/Middleware/WindowsAuthenticate.php
+++ b/src/Middleware/WindowsAuthenticate.php
@@ -75,18 +75,18 @@ class WindowsAuthenticate
     public static $userDomainValidator = UserDomainValidator::class;
 
     /**
-     * The auth factory instance.
+     * The fallback callback to resolve users with.
      *
-     * @var Auth
+     * @var Closure|string|null
      */
-    protected $auth;
+    public static $userResolverFallback;
 
     /**
-     * The fallback callback to resolve users with.
+     * The auth factory instance.
      *
-     * @var Closure|string|null
+     * @var Auth
      */
-    protected static $fallback;
+    protected $auth;
 
     /**
      * Constructor.
@@ -195,7 +195,7 @@ public static function validateDomainUsing($callback)
      */
     public static function fallback($callback = null)
     {
-        static::$fallback = $callback;
+        static::$userResolverFallback = $callback;
     }
 
     /**
@@ -452,11 +452,11 @@ protected function userIsApartOfDomain(Model $user, $username, $domain = null)
      */
     protected function failedRetrievingUser(UserProvider $provider, $username, $domain = null)
     {
-        if (! static::$fallback) {
+        if (! static::$userResolverFallback) {
             return;
         }
 
-        return with(static::$fallback, function ($callback) {
+        return with(static::$userResolverFallback, function ($callback) {
             return is_string($callback) ? new $callback : $callback;
         })($provider, $username, $domain);
     }
diff --git a/tests/Feature/WindowsAuthMiddlewareTest.php b/tests/Feature/WindowsAuthMiddlewareTest.php
index 8d4aa8be..3f65c525 100644
--- a/tests/Feature/WindowsAuthMiddlewareTest.php
+++ b/tests/Feature/WindowsAuthMiddlewareTest.php
@@ -32,9 +32,9 @@ protected function tearDown(): void
         WindowsAuthenticate::$domainVerification = true;
         WindowsAuthenticate::$logoutUnauthenticatedUsers = false;
         WindowsAuthenticate::$rememberAuthenticatedUsers = false;
+        WindowsAuthenticate::$userResolverFallback = null;
         WindowsAuthenticate::$userDomainExtractor = null;
         WindowsAuthenticate::$userDomainValidator = UserDomainValidator::class;
-        WindowsAuthenticate::fallback(null);
 
         LdapRecord::$failingQuietly = true;