diff --git a/src/TransparentEmail.php b/src/TransparentEmail.php
index feed823..4c45b0c 100644
--- a/src/TransparentEmail.php
+++ b/src/TransparentEmail.php
@@ -60,6 +60,7 @@ class TransparentEmail
             $service = new $serviceClass();
             if ($service->isDomainSupported($domain)) {
                 $result = $service->getPrimaryEmail($result);
+                break;
             }
         }