diff --git a/phpBB/includes/functions_messenger.php b/phpBB/includes/functions_messenger.php
index 799b687493..9dbf9d5ef9 100644
--- a/phpBB/includes/functions_messenger.php
+++ b/phpBB/includes/functions_messenger.php
@@ -1057,7 +1057,7 @@ function smtpmail($addresses, $subject, $message, &$err_msg, $headers = false)
 	$options['ssl'] = array('verify_peer' => $verify_peer, 'verify_peer_name' => $verify_peer_name, 'allow_self_signed' => $allow_self_signed);
 	$socket_context = stream_context_create($options);
 
-	$smtp->socket = stream_socket_client($remote_socket, $errno, $errstr, 20, STREAM_CLIENT_CONNECT, $socket_context);
+	$smtp->socket = @stream_socket_client($remote_socket, $errno, $errstr, 20, STREAM_CLIENT_CONNECT, $socket_context);
 	$collector->uninstall();
 	$error_contents = $collector->format_errors();