diff --git a/src/TenantManager.php b/src/TenantManager.php
index 1409a36f..5c84bd89 100644
--- a/src/TenantManager.php
+++ b/src/TenantManager.php
@@ -273,7 +273,7 @@ final class TenantManager
     {
         $uuid = $uuid ?: $this->tenant['uuid'];
 
-        if (isset($this->tenant['uuid']) && $uuid === $this->tenant['uuid'] && isset($this->tenant[$key])) {
+        if (array_key_exists('uuid', $this->tenant) && $uuid === $this->tenant['uuid'] && array_key_exists($key, $this->tenant)) {
             return $this->tenant[$key];
         }