diff --git a/apps/files_external/lib/Lib/Storage/SFTP.php b/apps/files_external/lib/Lib/Storage/SFTP.php
index e9c0804c23aa4..65a5f6b3eefb3 100644
--- a/apps/files_external/lib/Lib/Storage/SFTP.php
+++ b/apps/files_external/lib/Lib/Storage/SFTP.php
@@ -64,6 +64,13 @@ private function splitHost(string $host): array {
 	}
 
 	public function __construct(array $parameters) {
+		if (!isset($parameters['host'])) {
+			throw new \Exception('Invalid configuration, no host provided');
+		}
+		if (!isset($parameters['user'])) {
+			throw new \Exception('Invalid configuration, no user provided');
+		}
+
 		// Register sftp://
 		Stream::register();