diff --git a/app/controllers/profile.php b/app/controllers/profile.php
index b9a7cf737109dc20cf58619f7300aecaf2e23e07..226890ea79d20404f8f384ce63ca0fab3964b19b 100644
--- a/app/controllers/profile.php
+++ b/app/controllers/profile.php
@@ -220,7 +220,7 @@ class ProfileController extends AuthenticatedController
                 $template = $homepageplugin->getHomepageTemplate($this->current_user->user_id);
                 // create output of the plugins
                 if (!empty($template)) {
-                    $render .= $template->render(null, $layout);
+                    $render .= $template->render(layout: $layout);
                 }
                 $layout->clear_attributes();
             }
diff --git a/app/views/course/overview/index.php b/app/views/course/overview/index.php
index 4e69b4a18e28190b39e37e88b5be4cc5890bcd7e..b23874089249f5232ec40539018aea03028b57ce 100644
--- a/app/views/course/overview/index.php
+++ b/app/views/course/overview/index.php
@@ -76,7 +76,7 @@ if (!empty($plugins)) {
         $template = $plugin->getInfoTemplate($course_id);
 
         if ($template) {
-            echo $template->render(null, $layout);
+            echo $template->render(layout: $layout);
             $layout->clear_attributes();
         }
     }
diff --git a/app/views/institute/overview/index.php b/app/views/institute/overview/index.php
index 7ed85460c461b39669fe72a8ef72341946be7866..53b66a85f9b9a7f7b9a89041f79fff5ce4415334 100644
--- a/app/views/institute/overview/index.php
+++ b/app/views/institute/overview/index.php
@@ -61,7 +61,7 @@ foreach ($plugins as $plugin) {
     $template = $plugin->getInfoTemplate($institute_id);
 
     if ($template) {
-        echo $template->render(NULL, $layout);
+        echo $template->render(layout: $layout);
         $layout->clear_attributes();
     }
 }