diff --git a/src/Dibi/Fluent.php b/src/Dibi/Fluent.php
index d4ee9398..2cc68e49 100644
--- a/src/Dibi/Fluent.php
+++ b/src/Dibi/Fluent.php
@@ -189,6 +189,7 @@ class Fluent implements IDataSource
 
 		foreach ($args as $arg) {
 			if ($arg instanceof self) {
+				$this->cursor[] = '%SQL';
 				$arg = "($arg)";
 			}
 			$this->cursor[] = $arg;
diff --git a/tests/dibi/Fluent.select.phpt b/tests/dibi/Fluent.select.phpt
index 19b5aa85..a9257362 100644
--- a/tests/dibi/Fluent.select.phpt
+++ b/tests/dibi/Fluent.select.phpt
@@ -1,5 +1,9 @@
 <?php
 
+/**
+ * @dataProvider ../databases.ini
+ */
+
 use Tester\Assert;
 
 require __DIR__ . '/bootstrap.php';