Fix postgre driver config
diff --git a/system/database/DB.php b/system/database/DB.php
index c9660e4..0c7cf54 100644
--- a/system/database/DB.php
+++ b/system/database/DB.php
@@ -213,5 +213,6 @@
 		}
 	}
 
+	$DB->initialize();
 	return $DB;
 }