diff --git a/src/Deployment/FtpServer.php b/src/Deployment/FtpServer.php
index d60aa88..2d93251 100644
--- a/src/Deployment/FtpServer.php
+++ b/src/Deployment/FtpServer.php
@@ -55,6 +55,17 @@ public function __construct(
 	}
 
 
+	/**
+	 * Suppresses error on closing.
+	 */
+	public function __destruct(): void
+	{
+		if ($this->connection) {
+			@ftp_close($this->connection); // @ may fail
+		}
+	}
+
+
 	/**
 	 * Connects to FTP server.
 	 * @throws ServerException