diff --git a/composer.json b/composer.json
index 067d7ab..3c93121 100644
--- a/composer.json
+++ b/composer.json
@@ -25,9 +25,9 @@
     "contributte/qa": "~0.4.0",
     "contributte/tester": "~0.4.0",
     "latte/latte": "^3.0.0",
-    "nette/application": "^3.2.0",
+    "nette/application": ">=3.2.0 <3.3.0",
     "nette/di": "^3.2.0",
-    "webchemistry/testing-helpers": "^4.0.0"
+    "webchemistry/testing-helpers": "^4.1.1"
   },
   "conflict": {
     "latte/latte": "<3.0.0",
diff --git a/src/Multiplier.php b/src/Multiplier.php
index 8be1d79..180e506 100644
--- a/src/Multiplier.php
+++ b/src/Multiplier.php
@@ -4,6 +4,7 @@
 
 use Contributte\FormMultiplier\Buttons\CreateButton;
 use Contributte\FormMultiplier\Buttons\RemoveButton;
+use Generator;
 use Iterator;
 use Nette\ComponentModel\IComponent;
 use Nette\Forms\Container;
@@ -306,8 +307,11 @@ public function getValues(string|object|bool|null $returnType = null, ?array $co
 	public function getControls(): Iterator
 	{
 		$this->createCopies();
+		$controls = parent::getControls();
 
-		return parent::getControls();
+		return (static function () use ($controls): Generator {
+			yield from $controls;
+		})();
 	}
 
 	/**
diff --git a/tests/Cases/Unit/MultiplierTest.phpt b/tests/Cases/Unit/MultiplierTest.phpt
index fa2dbcb..026b23d 100644
--- a/tests/Cases/Unit/MultiplierTest.phpt
+++ b/tests/Cases/Unit/MultiplierTest.phpt
@@ -4,6 +4,7 @@ namespace Tests\Cases\Unit;
 
 use Contributte\FormMultiplier\Multiplier;
 use Contributte\Tester\Toolkit;
+use Iterator;
 use Nette\Application\UI\Form;
 use Nette\Forms\Container;
 use Tester\Assert;
@@ -15,6 +16,13 @@ require __DIR__ . '/../../bootstrap.php';
 
 $services = new Services();
 
+// testGetControlsReturnsIterator
+Toolkit::test(function (): void {
+	$form = MultiplierBuilder::create()->createForm();
+
+	Assert::type(Iterator::class, $form['m']->getControls());
+});
+
 // testRenderBase
 Toolkit::test(function () use ($services): void {
 	$onCreateParams = [];