diff --git a/src/Bridges/FormsLatte/FormMacros.php b/src/Bridges/FormsLatte/FormMacros.php
index 736ca3349..6db574965 100644
--- a/src/Bridges/FormsLatte/FormMacros.php
+++ b/src/Bridges/FormsLatte/FormMacros.php
@@ -67,11 +67,13 @@ public function macroForm(MacroNode $node, PhpWriter $writer)
 		$node->replaced = true;
 		$node->tokenizer->reset();
 		return $writer->write(
-			'echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin($form = $this->global->formsStack[] = '
+			'$form = $this->global->formsStack[] = '
 			. ($name[0] === '$'
 				? 'is_object($ʟ_tmp = %node.word) ? $ʟ_tmp : $this->global->uiControl[$ʟ_tmp]'
 				: '$this->global->uiControl[%node.word]')
-			. ', %node.array)'
+			. ';'
+			. 'Nette\Bridges\FormsLatte\Runtime::initializeForm($form);'
+			. 'echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin($form, %node.array)'
 			. " /* line $node->startLine */;"
 		);
 	}
@@ -226,7 +228,8 @@ public function macroNameAttr(MacroNode $node, PhpWriter $writer)
 				. ($name[0] === '$'
 					? 'is_object($ʟ_tmp = %0.word) ? $ʟ_tmp : $this->global->uiControl[$ʟ_tmp]'
 					: '$this->global->uiControl[%0.word]')
-				. " /* line $node->startLine */; ?>",
+				. " /* line $node->startLine */;"
+				. 'Nette\Bridges\FormsLatte\Runtime::initializeForm($form); ?>',
 				$name
 			);
 			return $writer->write(
diff --git a/src/Bridges/FormsLatte/Nodes/FormNNameNode.php b/src/Bridges/FormsLatte/Nodes/FormNNameNode.php
index 2de161e4a..75119298e 100644
--- a/src/Bridges/FormsLatte/Nodes/FormNNameNode.php
+++ b/src/Bridges/FormsLatte/Nodes/FormNNameNode.php
@@ -47,6 +47,7 @@ public function print(PrintContext $context): string
 				? '$this->global->uiControl[%node]'
 				: 'is_object($ʟ_tmp = %node) ? $ʟ_tmp : $this->global->uiControl[$ʟ_tmp]')
 			. ' %line;'
+			. 'Nette\Bridges\FormsLatte\Runtime::initializeForm($form);'
 			. '%node '
 			. 'array_pop($this->global->formsStack);',
 			$this->name,
diff --git a/src/Bridges/FormsLatte/Nodes/FormNode.php b/src/Bridges/FormsLatte/Nodes/FormNode.php
index c2902d78d..2146a18a3 100644
--- a/src/Bridges/FormsLatte/Nodes/FormNode.php
+++ b/src/Bridges/FormsLatte/Nodes/FormNode.php
@@ -66,6 +66,7 @@ public function print(PrintContext $context): string
 				? '$this->global->uiControl[%node]'
 				: 'is_object($ʟ_tmp = %node) ? $ʟ_tmp : $this->global->uiControl[$ʟ_tmp]')
 			. ' %line;'
+			. 'Nette\Bridges\FormsLatte\Runtime::initializeForm($form);'
 			. ($this->print
 				? 'echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin($form, %node) %1.line;'
 				: '')
diff --git a/src/Bridges/FormsLatte/Runtime.php b/src/Bridges/FormsLatte/Runtime.php
index 1e1eb3605..4eee9413f 100644
--- a/src/Bridges/FormsLatte/Runtime.php
+++ b/src/Bridges/FormsLatte/Runtime.php
@@ -23,16 +23,20 @@ class Runtime
 {
 	use Nette\StaticClass;
 
-	/**
-	 * Renders form begin.
-	 */
-	public static function renderFormBegin(Form $form, array $attrs, bool $withTags = true): string
+	public static function initializeForm(Form $form): void
 	{
 		$form->fireRenderEvents();
 		foreach ($form->getControls() as $control) {
 			$control->setOption('rendered', false);
 		}
+	}
+
 
+	/**
+	 * Renders form begin.
+	 */
+	public static function renderFormBegin(Form $form, array $attrs, bool $withTags = true): string
+	{
 		$el = $form->getElementPrototype();
 		$el->action = (string) $el->action;
 		$el = clone $el;
diff --git a/tests/Forms.Latte2/expected/FormMacros.button.php b/tests/Forms.Latte2/expected/FormMacros.button.php
index eee0f8d0f..984e031a8 100644
--- a/tests/Forms.Latte2/expected/FormMacros.button.php
+++ b/tests/Forms.Latte2/expected/FormMacros.button.php
@@ -1,6 +1,7 @@
 <?php
 %A%
 		$form = $this->global->formsStack[] = $this->global->uiControl["myForm"] /* line 1 */;
+		Nette\Bridges\FormsLatte\Runtime::initializeForm($form);
 		echo '<form';
 		echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin(end($this->global->formsStack), [], false);
 		echo '>
diff --git a/tests/Forms.Latte2/expected/FormMacros.formContainer.php b/tests/Forms.Latte2/expected/FormMacros.formContainer.php
index c0e393ec6..8b33447ec 100644
--- a/tests/Forms.Latte2/expected/FormMacros.formContainer.php
+++ b/tests/Forms.Latte2/expected/FormMacros.formContainer.php
@@ -1,6 +1,8 @@
 <?php
 %A%
-		echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin($form = $this->global->formsStack[] = $this->global->uiControl["myForm"], []) /* line 1 */;
+		$form = $this->global->formsStack[] = $this->global->uiControl["myForm"];
+		Nette\Bridges\FormsLatte\Runtime::initializeForm($form);
+		echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin($form, []) /* line 1 */;
 		echo '
 <table>
 	<tr>
diff --git a/tests/Forms.Latte2/expected/FormMacros.forms.php b/tests/Forms.Latte2/expected/FormMacros.forms.php
index ffb93af75..dda078042 100644
--- a/tests/Forms.Latte2/expected/FormMacros.forms.php
+++ b/tests/Forms.Latte2/expected/FormMacros.forms.php
@@ -1,6 +1,8 @@
 <?php
 %A%
-		echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin($form = $this->global->formsStack[] = $this->global->uiControl["myForm"], ['id' => 'myForm', 'class'=>"ajax"]) /* line 1 */;
+		$form = $this->global->formsStack[] = $this->global->uiControl["myForm"];
+		Nette\Bridges\FormsLatte\Runtime::initializeForm($form);
+		echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin($form, ['id' => 'myForm', 'class'=>"ajax"]) /* line 1 */;
 		echo "\n";
 		$iterations = 0;
 		foreach (['id', 'username', 'select', 'area', 'send'] as $name) /* line 2 */ {
@@ -76,12 +78,16 @@
 
 
 ';
-		echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin($form = $this->global->formsStack[] = $this->global->uiControl["myForm"], []) /* line 27 */;
+		$form = $this->global->formsStack[] = $this->global->uiControl["myForm"];
+		Nette\Bridges\FormsLatte\Runtime::initializeForm($form);
+		echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin($form, []) /* line 27 */;
 		echo Nette\Bridges\FormsLatte\Runtime::renderFormEnd(array_pop($this->global->formsStack));
 		echo '
 
 ';
-		echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin($form = $this->global->formsStack[] = $this->global->uiControl["myForm"], []) /* line 29 */;
+		$form = $this->global->formsStack[] = $this->global->uiControl["myForm"];
+		Nette\Bridges\FormsLatte\Runtime::initializeForm($form);
+		echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin($form, []) /* line 29 */;
 		echo "\n";
 		$iterations = 0;
 		foreach ($form['sex']->items as $key => $label) /* line 31 */ {
@@ -197,6 +203,7 @@
 
 ';
 		$form = $this->global->formsStack[] = $this->global->uiControl["myForm"] /* line 58 */;
+		Nette\Bridges\FormsLatte\Runtime::initializeForm($form);
 		if (1) /* line 58 */ {
 			echo '<form id="myForm" class="ajax"';
 			echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin(end($this->global->formsStack), ['id' => null, 'class' => null], false);
@@ -214,6 +221,7 @@
 
 ';
 		$form = $this->global->formsStack[] = $this->global->uiControl["myForm"] /* line 63 */;
+		Nette\Bridges\FormsLatte\Runtime::initializeForm($form);
 		echo '<form';
 		echo ($ʟ_tmp = array_filter(['nclass'])) ? ' class="' . LR\Filters::escapeHtmlAttr(implode(" ", array_unique($ʟ_tmp))) . '"' : "" /* line 63 */;
 		echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin(end($this->global->formsStack), ['class' => null], false);
@@ -230,6 +238,7 @@
 
 ';
 		$form = $this->global->formsStack[] = is_object($ʟ_tmp = $this->global->uiControl['myForm']) ? $ʟ_tmp : $this->global->uiControl[$ʟ_tmp] /* line 68 */;
+		Nette\Bridges\FormsLatte\Runtime::initializeForm($form);
 		echo '<FORM';
 		echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin(end($this->global->formsStack), [], false);
 		echo '>
diff --git a/tests/Forms.Latte2/expected/FormMacros.get.php b/tests/Forms.Latte2/expected/FormMacros.get.php
index 65fc816d8..ae17372cd 100644
--- a/tests/Forms.Latte2/expected/FormMacros.get.php
+++ b/tests/Forms.Latte2/expected/FormMacros.get.php
@@ -1,11 +1,14 @@
 <?php
 %A%
-		echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin($form = $this->global->formsStack[] = $this->global->uiControl["myForm"], []) /* line 1 */;
+		$form = $this->global->formsStack[] = $this->global->uiControl["myForm"];
+		Nette\Bridges\FormsLatte\Runtime::initializeForm($form);
+		echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin($form, []) /* line 1 */;
 		echo Nette\Bridges\FormsLatte\Runtime::renderFormEnd(array_pop($this->global->formsStack));
 		echo '
 
 ';
 		$form = $this->global->formsStack[] = $this->global->uiControl["myForm"] /* line 3 */;
+		Nette\Bridges\FormsLatte\Runtime::initializeForm($form);
 		echo '<form';
 		echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin(end($this->global->formsStack), [], false);
 		echo '>
diff --git a/tests/Forms.Latte3/expected/forms.button.php b/tests/Forms.Latte3/expected/forms.button.php
index ab94e396a..39b37e7dd 100644
--- a/tests/Forms.Latte3/expected/forms.button.php
+++ b/tests/Forms.Latte3/expected/forms.button.php
@@ -1,6 +1,7 @@
 <?php
 %A%
 		$form = $this->global->formsStack[] = $this->global->uiControl['myForm'] /* line %d% */;
+		Nette\Bridges\FormsLatte\Runtime::initializeForm($form);
 		echo '<form';
 		echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin(end($this->global->formsStack), [], false) /* line %d% */;
 		echo '>
diff --git a/tests/Forms.Latte3/expected/forms.formContainer.php b/tests/Forms.Latte3/expected/forms.formContainer.php
index cbe9ad366..893cc8e3a 100644
--- a/tests/Forms.Latte3/expected/forms.formContainer.php
+++ b/tests/Forms.Latte3/expected/forms.formContainer.php
@@ -1,6 +1,7 @@
 <?php
 %A%
 		$form = $this->global->formsStack[] = $this->global->uiControl['myForm'] /* line %d% */;
+		Nette\Bridges\FormsLatte\Runtime::initializeForm($form);
 		echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin($form, []) /* line %d% */;
 		echo '
 <table>
diff --git a/tests/Forms.Latte3/expected/forms.get.php b/tests/Forms.Latte3/expected/forms.get.php
index 06530d61b..25af74d41 100644
--- a/tests/Forms.Latte3/expected/forms.get.php
+++ b/tests/Forms.Latte3/expected/forms.get.php
@@ -1,6 +1,7 @@
 <?php
 %A%
 		$form = $this->global->formsStack[] = $this->global->uiControl['myForm'] /* line %d% */;
+		Nette\Bridges\FormsLatte\Runtime::initializeForm($form);
 		echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin($form, []) /* line %d% */;
 		echo Nette\Bridges\FormsLatte\Runtime::renderFormEnd(array_pop($this->global->formsStack)) /* line %d% */;
 
@@ -8,6 +9,7 @@
 
 ';
 		$form = $this->global->formsStack[] = $this->global->uiControl['myForm'] /* line %d% */;
+		Nette\Bridges\FormsLatte\Runtime::initializeForm($form);
 		echo '<form';
 		echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin(end($this->global->formsStack), [], false) /* line %d% */;
 		echo '>
diff --git a/tests/Forms.Latte3/expected/forms.php b/tests/Forms.Latte3/expected/forms.php
index c9551ec81..ee2a1a269 100644
--- a/tests/Forms.Latte3/expected/forms.php
+++ b/tests/Forms.Latte3/expected/forms.php
@@ -1,6 +1,7 @@
 <?php
 %A%
 		$form = $this->global->formsStack[] = $this->global->uiControl['myForm'] /* line %d% */;
+		Nette\Bridges\FormsLatte\Runtime::initializeForm($form);
 		echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin($form, ['id' => 'myForm', 'class' => 'ajax']) /* line %d% */;
 		echo "\n";
 		foreach (['id', 'username', 'select', 'area', 'send'] as $name) /* line %d% */ {
@@ -64,6 +65,7 @@
 
 ';
 		$form = $this->global->formsStack[] = $this->global->uiControl['myForm'] /* line %d% */;
+		Nette\Bridges\FormsLatte\Runtime::initializeForm($form);
 		echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin($form, []) /* line %d% */;
 		echo Nette\Bridges\FormsLatte\Runtime::renderFormEnd(array_pop($this->global->formsStack)) /* line %d% */;
 
@@ -71,6 +73,7 @@
 
 ';
 		$form = $this->global->formsStack[] = $this->global->uiControl['myForm'] /* line %d% */;
+		Nette\Bridges\FormsLatte\Runtime::initializeForm($form);
 		echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin($form, []) /* line %d% */;
 		echo "\n";
 		foreach ($form['sex']->items as $key => $label) /* line %d% */ {
@@ -175,6 +178,7 @@
 ';
 		if (1) /* line %d% */ {
 			$form = $this->global->formsStack[] = $this->global->uiControl['myForm'] /* line %d% */;
+			Nette\Bridges\FormsLatte\Runtime::initializeForm($form);
 			echo '<form';
 			echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin(end($this->global->formsStack), ['id' => null, 'class' => null], false) /* line %d% */;
 			echo ' id="myForm" class="ajax">
@@ -191,6 +195,7 @@
 
 ';
 		$form = $this->global->formsStack[] = $this->global->uiControl['myForm'] /* line %d% */;
+		Nette\Bridges\FormsLatte\Runtime::initializeForm($form);
 		echo '<form';
 		echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin(end($this->global->formsStack), ['class' => null], false) /* line %d% */;
 		echo ($ʟ_tmp = array_filter(['nclass'])) ? ' class="' . LR\Filters::escapeHtmlAttr(implode(" ", array_unique($ʟ_tmp))) . '"' : "" /* line %d% */;
@@ -208,6 +213,7 @@
 
 ';
 		$form = $this->global->formsStack[] = is_object($ʟ_tmp = $this->global->uiControl['myForm']) ? $ʟ_tmp : $this->global->uiControl[$ʟ_tmp] /* line %d% */;
+		Nette\Bridges\FormsLatte\Runtime::initializeForm($form);
 		echo '<FORM';
 		echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin(end($this->global->formsStack), [], false) /* line %d% */;
 		echo '>
@@ -250,6 +256,7 @@
 
 ';
 		$form = $this->global->formsStack[] = $this->global->uiControl['myForm'] /* line %d% */;
+		Nette\Bridges\FormsLatte\Runtime::initializeForm($form);
 		echo '
 <label';
 		echo ($ʟ_input = Nette\Bridges\FormsLatte\Runtime::item('sex', $this->global))->getLabelPart()->attributes() /* line %d% */;
diff --git a/tests/Forms.Latte3/n-name.form.phpt b/tests/Forms.Latte3/n-name.form.phpt
index 4201a796b..501110a59 100644
--- a/tests/Forms.Latte3/n-name.form.phpt
+++ b/tests/Forms.Latte3/n-name.form.phpt
@@ -22,6 +22,7 @@ Assert::match(
 	<<<'XX'
 		%A%
 				$form = $this->global->formsStack[] = $this->global->uiControl['foo'] /* line 1 */;
+				Nette\Bridges\FormsLatte\Runtime::initializeForm($form);
 				echo '<form';
 				echo Nette\Bridges\FormsLatte\Runtime::renderFormBegin(end($this->global->formsStack), [], false) /* line 1 */;
 				echo '>';
@@ -38,6 +39,7 @@ Assert::match(
 	<<<'XX'
 		%A%
 				$form = $this->global->formsStack[] = $this->global->uiControl['foo'] /* line 1 */;
+				Nette\Bridges\FormsLatte\Runtime::initializeForm($form);
 				$ʟ_tag[0] = '';
 				if (0) /* line 1 */ {
 					echo '<';