diff --git a/src/Dibi/Fluent.php b/src/Dibi/Fluent.php
index e0ae70a5..90e9f924 100644
--- a/src/Dibi/Fluent.php
+++ b/src/Dibi/Fluent.php
@@ -415,7 +415,7 @@ class Fluent implements IDataSource
 
 
 	/**
-	 * @return Result
+	 * @return Result|int
 	 */
 	private function query($args)
 	{
diff --git a/tests/dibi/Fluent.fetch.phpt b/tests/dibi/Fluent.fetch.phpt
index 0ed4e99b..51dbb122 100644
--- a/tests/dibi/Fluent.fetch.phpt
+++ b/tests/dibi/Fluent.fetch.phpt
@@ -48,3 +48,8 @@ if (!in_array($config['system'], ['odbc', 'sqlsrv'], true)) {
 		],
 	], $res->fetchAssoc('name,title'));
 }
+
+
+// affected rows
+$res = $conn->update('products', ['title' => 'new'])->execute();
+Assert::same(3, $res);