diff --git a/setup/parameters.class.inc.php b/setup/parameters.class.inc.php
index 40680a2da..bb22e2889 100644
--- a/setup/parameters.class.inc.php
+++ b/setup/parameters.class.inc.php
@@ -7,6 +7,7 @@ class InvalidParameterException extends Exception
 abstract class Parameters
 {
 	public $aData = null;
+	private ?array $aParamValues = null;
 
 	public function __construct()
 	{
@@ -26,24 +27,26 @@ abstract class Parameters
 	 */
 	public function GetParamForConfigArray()
 	{
-		$aDBParams = $this->Get('database');
-		$aParamValues = [
-			'mode' => $this->Get('mode'),
-			'db_server' => $aDBParams['server'],
-			'db_user' => $aDBParams['user'],
-			'db_pwd' => $aDBParams['pwd'],
-			'db_name' => $aDBParams['name'],
-			'new_db_name' => $aDBParams['name'],
-			'db_prefix' => $aDBParams['prefix'],
-			'db_tls_enabled' => $aDBParams['db_tls_enabled'],
-			'db_tls_ca' => $aDBParams['db_tls_ca'],
-			'application_path' => $this->Get('url', ''),
-			'language' => $this->Get('language', ''),
-			'graphviz_path' => $this->Get('graphviz_path', ''),
-			'source_dir' => $this->Get('source_dir', ''),
-		];
+		if (is_null($this->aParamValues)) {
+			$aDBParams = $this->Get('database');
+			$this->aParamValues = [
+				'mode' => $this->Get('mode'),
+				'db_server' => $aDBParams['server'],
+				'db_user' => $aDBParams['user'],
+				'db_pwd' => $aDBParams['pwd'],
+				'db_name' => $aDBParams['name'],
+				'new_db_name' => $aDBParams['name'],
+				'db_prefix' => $aDBParams['prefix'],
+				'db_tls_enabled' => $aDBParams['db_tls_enabled'],
+				'db_tls_ca' => $aDBParams['db_tls_ca'],
+				'application_path' => $this->Get('url', ''),
+				'language' => $this->Get('language', ''),
+				'graphviz_path' => $this->Get('graphviz_path', ''),
+				'source_dir' => $this->Get('source_dir', ''),
+			];
+		}
 
-		return $aParamValues;
+		return $this->aParamValues;
 	}
 
 	public function Set($sCode, $value)