diff --git a/src/Application/ILinkGenerator.php b/src/Application/ILinkGenerator.php
new file mode 100644
index 000000000..e83966103
--- /dev/null
+++ b/src/Application/ILinkGenerator.php
@@ -0,0 +1,26 @@
+<?php
+
+/**
+ * This file is part of the Nette Framework (https://nette.org)
+ * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
+ */
+
+declare(strict_types=1);
+
+namespace Nette\Application;
+
+
+/**
+ * Link generator.
+ */
+interface ILinkGenerator
+{
+	/**
+	 * Generates URL to presenter.
+	 * @param string $dest in format "[[[module:]presenter:]action] [#fragment]"
+	 * @throws UI\InvalidLinkException
+	 */
+	public function link(string $dest, array $params = []): string;
+
+	public function withReferenceUrl(string $url): self;
+}
diff --git a/src/Application/LinkGenerator.php b/src/Application/LinkGenerator.php
index e51f7837d..60d779dcf 100644
--- a/src/Application/LinkGenerator.php
+++ b/src/Application/LinkGenerator.php
@@ -17,7 +17,7 @@
 /**
  * Link generator.
  */
-final class LinkGenerator
+final class LinkGenerator implements ILinkGenerator
 {
 	use Nette\SmartObject;
 
diff --git a/src/Bridges/ApplicationDI/ApplicationExtension.php b/src/Bridges/ApplicationDI/ApplicationExtension.php
index faaa24471..d658cd63d 100644
--- a/src/Bridges/ApplicationDI/ApplicationExtension.php
+++ b/src/Bridges/ApplicationDI/ApplicationExtension.php
@@ -103,6 +103,7 @@ public function loadConfiguration()
 		}
 
 		$builder->addDefinition($this->prefix('linkGenerator'))
+			->setType(Nette\Application\ILinkGenerator::class)
 			->setFactory(Nette\Application\LinkGenerator::class, [
 				1 => new Definitions\Statement([new Definitions\Statement('@Nette\Http\IRequest::getUrl'), 'withoutUserInfo']),
 			]);