diff --git a/core/class/jeedom.class.php b/core/class/jeedom.class.php
index dd8e124502..9c17115b46 100644
--- a/core/class/jeedom.class.php
+++ b/core/class/jeedom.class.php
@@ -817,7 +817,7 @@ public static function restore($_backup = '', $_background = false) {
 	public static function update($_options = array()) {
 		log::clear('update');
 		$params = '';
-		if (count($_options) > 0) {
+		if (is_array($_options) && count($_options) > 0) {
 			foreach ($_options as $key => $value) {
 				$params .= '"' . $key . '"="' . $value . '" ';
 			}
diff --git a/core/class/system.class.php b/core/class/system.class.php
index 24c722df87..0c4747b1a3 100644
--- a/core/class/system.class.php
+++ b/core/class/system.class.php
@@ -424,7 +424,10 @@ public static function checkAndInstall($_packages, $_fix = false, $_foreground =
 						$version = json_decode(file_get_contents(__DIR__ . '/../../' . $package . '/package.json'), true)['version'];
 						if ($type == 'npm') {
 							if (file_exists(__DIR__ . '/../../' . $package . '/node_modules')) {
-								$found = 1;
+							        exec('cd ' . __DIR__ . '/../../' . $package . ';' . self::getCmdSudo() . ' npm ls', $output, $return_var); 
+								if ($return_var == 0) {
+								   $found = 1;
+							        }
 							}
 						} else {
 							exec('cd ' . __DIR__ . '/../../' . $package . ';' . self::getCmdSudo() . ' yarn check', $output, $return_var);
diff --git a/core/class/update.class.php b/core/class/update.class.php
index aa30e085b6..a40b33593a 100644
--- a/core/class/update.class.php
+++ b/core/class/update.class.php
@@ -461,7 +461,7 @@ public function postInstallUpdate($_infos) {
 						if (!file_exists($cibDir . '/' . $folder)) {
 							continue;
 						}
-						shell_exec('find ' . $cibDir . '/' . $folder . '/* -mtime +7 -type f ! -iname "custom.*" ! -iname "common.config.php" -delete 2>/dev/null');
+						shell_exec('find ' . $cibDir . '/' . $folder . '/* -mtime +7 -type f ! -iname "custom.*" ! -iname "common.config.php" ! -path "./vendor/*" -delete 2>/dev/null');
 					}
 				} catch (Exception $e) {
 					$this->remove();
diff --git a/install/update.php b/install/update.php
index d73db17105..cc36967821 100644
--- a/install/update.php
+++ b/install/update.php
@@ -221,7 +221,7 @@
 				echo "OK\n";
 				echo "[PROGRESS][52]\n";
 				echo "Remove useless files...\n";
-				foreach (array('3rdparty', 'desktop', 'mobile', 'core', 'docs', 'install', 'script', 'vendor') as $folder) {
+				foreach (array('3rdparty', 'desktop', 'mobile', 'core', 'docs', 'install', 'script') as $folder) {
 					echo 'Cleaning ' . $folder . "\n";
 					shell_exec('find ' . __DIR__ . '/../' . $folder . '/* -mtime +7 -type f ! -iname "custom.*" ! -iname "common.config.php" -delete');
 				}