diff --git a/dibi/libs/DibiFluent.php b/dibi/libs/DibiFluent.php
index c2546930..7d696761 100644
--- a/dibi/libs/DibiFluent.php
+++ b/dibi/libs/DibiFluent.php
@@ -188,6 +188,7 @@ class DibiFluent extends DibiObject implements IDataSource
 
 		foreach ($args as $arg) {
 			if ($arg instanceof self) {
+				$this->cursor[] = '%SQL';
 				$arg = "($arg)";
 			}
 			$this->cursor[] = $arg;