diff --git a/classes/plugin/AdminBaseController.php b/classes/plugin/AdminBaseController.php
index 3d8c0c33..6b5ccd69 100644
--- a/classes/plugin/AdminBaseController.php
+++ b/classes/plugin/AdminBaseController.php
@@ -1118,7 +1118,7 @@ class AdminBaseController
      * @param string $type
      * @return $this
      */
-    protected function setMessage(string $message, string $type = 'info'): self
+    protected function setMessage($message, $type = 'info')
     {
         $this->admin->setMessage($message, $type);
 
diff --git a/classes/plugin/Controllers/AbstractController.php b/classes/plugin/Controllers/AbstractController.php
index da30c82f..c0860b3d 100644
--- a/classes/plugin/Controllers/AbstractController.php
+++ b/classes/plugin/Controllers/AbstractController.php
@@ -324,7 +324,7 @@ abstract class AbstractController implements RequestHandlerInterface
      * @param  string $type
      * @return $this
      */
-    public function setMessage(string $message, string $type = 'info')
+    public function setMessage($message, $type = 'info')
     {
         /** @var Message $messages */
         $messages = $this->grav['messages'];