diff --git a/src/DB/Codeigniter4Adapter.php b/src/DB/Codeigniter4Adapter.php
index eb2fe22..7b1fcd9 100644
--- a/src/DB/Codeigniter4Adapter.php
+++ b/src/DB/Codeigniter4Adapter.php
@@ -17,11 +17,14 @@ class Codeigniter4Adapter extends DBAdapter
     protected $db;
 
     /**
-     * @var $config
+     * @var array
      */
+    protected $config;
+
     public function __construct($config = null)
     {
-
+        $this->config = $config ?? ['DBGroup' => 'default'];
+        $this->config['DBGroup'] = $this->config['DBGroup'] ?? 'default';
     }
 
     /**
@@ -29,7 +32,7 @@ public function __construct($config = null)
      */
     public function connect()
     {
-        $this->db = \Config\Database::connect();
+        $this->db = \Config\Database::connect($this->config['DBGroup']);
 
         return $this;
     }