diff --git a/src/Extension/FluentLeftAndMainExtension.php b/src/Extension/FluentLeftAndMainExtension.php
index f274df67..26fbe681 100644
--- a/src/Extension/FluentLeftAndMainExtension.php
+++ b/src/Extension/FluentLeftAndMainExtension.php
@@ -21,7 +21,7 @@ class FluentLeftAndMainExtension extends Extension
     use FluentAdminTrait;
     use FluentBadgeTrait;
 
-    public function init()
+    protected function onInit()
     {
         Requirements::javascript("tractorcow/silverstripe-fluent:client/dist/js/fluent.js");
         Requirements::css("tractorcow/silverstripe-fluent:client/dist/styles/fluent.css");
diff --git a/src/Extension/FluentSiteTreeExtension.php b/src/Extension/FluentSiteTreeExtension.php
index 47df6b95..2dc6d0b0 100644
--- a/src/Extension/FluentSiteTreeExtension.php
+++ b/src/Extension/FluentSiteTreeExtension.php
@@ -44,7 +44,7 @@ class FluentSiteTreeExtension extends FluentVersionedExtension
      *
      * @param string &$tags
      */
-    public function MetaTags(&$tags)
+    protected function updateMetaTags(&$tags)
     {
         $tags .= $this->owner->renderWith('FluentSiteTree_MetaTags');
     }