diff --git a/src/Symfony/Component/Notifier/Bridge/Nexmo/NexmoTransport.php b/src/Symfony/Component/Notifier/Bridge/Nexmo/NexmoTransport.php
index 9ce02fa0b7..ae46ffbea2 100644
--- a/src/Symfony/Component/Notifier/Bridge/Nexmo/NexmoTransport.php
+++ b/src/Symfony/Component/Notifier/Bridge/Nexmo/NexmoTransport.php
@@ -69,7 +69,7 @@ final class NexmoTransport extends AbstractTransport
 
         $result = $response->toArray(false);
         foreach ($result['messages'] as $msg) {
-            if ($msg['status'] ?? 0 > 0) {
+            if ($msg['status'] ?? false) {
                 throw new TransportException(sprintf('Unable to send the SMS: %s (%s).', $msg['error-text'], $msg['status']), $response);
             }
         }
diff --git a/src/Symfony/Component/Notifier/Message/SmsMessage.php b/src/Symfony/Component/Notifier/Message/SmsMessage.php
index e704e169a9..9fbb75ce3a 100644
--- a/src/Symfony/Component/Notifier/Message/SmsMessage.php
+++ b/src/Symfony/Component/Notifier/Message/SmsMessage.php
@@ -37,7 +37,7 @@ final class SmsMessage implements MessageInterface
     public static function fromNotification(Notification $notification, Recipient $recipient, string $transport = null): self
     {
         if (!$recipient instanceof SmsRecipientInterface) {
-            throw new LogicException(sprintf('To send a SMS message, "%s" should implement "%s" or the recipient should implement "%s".', get_class($notification), SmsNotificationInterface::class, SmsRecipientInterface::class));
+            throw new LogicException(sprintf('To send a SMS message, "%s" should implement "%s" or the recipient should implement "%s".', \get_class($notification), SmsNotificationInterface::class, SmsRecipientInterface::class));
         }
 
         return new self($recipient->getPhone(), $notification->getSubject());