diff --git a/lib/private/AppFramework/Utility/ControllerMethodReflector.php b/lib/private/AppFramework/Utility/ControllerMethodReflector.php
index 908b25193642..6842778d6127 100644
--- a/lib/private/AppFramework/Utility/ControllerMethodReflector.php
+++ b/lib/private/AppFramework/Utility/ControllerMethodReflector.php
@@ -64,7 +64,7 @@ public function reflect($object, $method) {
 			if (\method_exists($param, 'getType')) {
 				$type = $param->getType();
 				if ($type !== null) {
-					$this->types[$param->getName()] = $type->getName();
+					$this->types[$param->getName()] = (string) $type;
 				}
 			}