diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php
index cac0ecb..a32c37e 100644
--- a/system/database/drivers/postgre/postgre_driver.php
+++ b/system/database/drivers/postgre/postgre_driver.php
@@ -493,7 +493,7 @@
 			$tables = array($tables);
 		}
 		
-		return '('.implode(', ', $tables).')';
+		return implode(', ', $tables);
 	}
 
 	// --------------------------------------------------------------------