diff --git a/src/Application/Routers/Route.php b/src/Application/Routers/Route.php
index 4fdcf99f1..3a5f61588 100644
--- a/src/Application/Routers/Route.php
+++ b/src/Application/Routers/Route.php
@@ -117,14 +117,14 @@ class Route extends Nette\Object implements Application\IRouter
 	public function __construct($mask, $metadata = array(), $flags = 0)
 	{
 		if (is_string($metadata)) {
-			$a = strrpos($metadata, ':');
+			$a = strrpos($tmp = $metadata, ':');
 			if (!$a) {
 				throw new Nette\InvalidArgumentException("Second argument must be array or string in format Presenter:action, '$metadata' given.");
 			}
-			$metadata = array(
-				self::PRESENTER_KEY => substr($metadata, 0, $a),
-				'action' => $a === strlen($metadata) - 1 ? NULL : substr($metadata, $a + 1),
-			);
+			$metadata = array(self::PRESENTER_KEY => substr($tmp, 0, $a));
+			if ($a < strlen($tmp) - 1) {
+				$metadata['action'] = substr($tmp, $a + 1);
+			}
 		} elseif ($metadata instanceof \Closure || $metadata instanceof Nette\Callback) {
 			$metadata = array(
 				self::PRESENTER_KEY => 'Nette:Micro',
diff --git a/tests/Routers/Route.mandatoryAction.phpt b/tests/Routers/Route.mandatoryAction.phpt
index 756b07fbf..92e93198b 100644
--- a/tests/Routers/Route.mandatoryAction.phpt
+++ b/tests/Routers/Route.mandatoryAction.phpt
@@ -19,3 +19,13 @@ testRouteIn($route, '/default', 'Default', array(
 	'action' => 'default',
 	'test' => 'testvalue',
 ), '/default?test=testvalue');
+
+testRouteIn($route, '/', NULL);
+
+
+$route = new Route('<action>', 'Front:Default:');
+
+testRouteIn($route, '/default', 'Front:Default', array(
+	'action' => 'default',
+	'test' => 'testvalue',
+), '/default?test=testvalue');