diff --git a/src/ComponentModel/Container.php b/src/ComponentModel/Container.php
index fcc49c3..570caee 100644
--- a/src/ComponentModel/Container.php
+++ b/src/ComponentModel/Container.php
@@ -33,10 +33,9 @@ class Container extends Component implements IContainer
 
 	/**
 	 * Adds the component to the container.
-	 * @return static
 	 * @throws Nette\InvalidStateException
 	 */
-	public function addComponent(IComponent $component, ?string $name, ?string $insertBefore = null)
+	public function addComponent(IComponent $component, ?string $name, ?string $insertBefore = null): static
 	{
 		if ($name === null) {
 			$name = $component->getName();
diff --git a/src/ComponentModel/IContainer.php b/src/ComponentModel/IContainer.php
index 0fe2893..22ff729 100644
--- a/src/ComponentModel/IContainer.php
+++ b/src/ComponentModel/IContainer.php
@@ -21,9 +21,8 @@ interface IContainer extends IComponent
 	/**
 	 * Adds the component to the container.
 	 * @param  T  $component
-	 * @return static
 	 */
-	function addComponent(IComponent $component, ?string $name);
+	function addComponent(IComponent $component, ?string $name): static;
 
 	/**
 	 * Removes the component from the container.