diff --git a/src/SemanticScuttle/db/firebird.php b/src/SemanticScuttle/db/firebird.php
index 58a7d07..ab9198a 100644
--- a/src/SemanticScuttle/db/firebird.php
+++ b/src/SemanticScuttle/db/firebird.php
@@ -33,6 +33,12 @@ class sql_db
 
 	var $last_query_text = '';
 
+	/* 2023-12-20 modifications to avoid "Deprecated" warnings in sql_connect function*/
+	var $user;
+	var $persistency;
+	var $dbname;
+	var $server;
+	/*2023-12-20 end */
 	function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false)
 	{
 		$this->persistency = $persistency;
@@ -524,4 +530,4 @@ class sql_db
 
 } // if ... define
 
-?>
\ No newline at end of file
+?>