diff --git a/src/Middleware/InitializeTenancyByDomainOrSubdomain.php b/src/Middleware/InitializeTenancyByDomainOrSubdomain.php
index 94217bba..ecdaef1b 100644
--- a/src/Middleware/InitializeTenancyByDomainOrSubdomain.php
+++ b/src/Middleware/InitializeTenancyByDomainOrSubdomain.php
@@ -27,6 +27,6 @@ class InitializeTenancyByDomainOrSubdomain
 
     protected function isSubdomain(string $hostname): bool
     {
-        return Str::endsWith($hostname, config('tenancy.central_domains'));
+        return ! Str::of($hostname)->replace(config('tenancy.central_domains'), '')->isEmpty();
     }
 }