diff --git a/modules/backend/layouts/auth.htm b/modules/backend/layouts/auth.htm
index ce7b2b8c5..b0f76d751 100644
--- a/modules/backend/layouts/auth.htm
+++ b/modules/backend/layouts/auth.htm
@@ -21,6 +21,7 @@
         <?= $this->makeAssets() ?>
         <?= Block::placeholder('head') ?>
         <?= $this->makeLayoutPartial('custom_styles') ?>
+        <?= $this->fireViewEvent('backend.layout.extendHead', ['layout' => 'auth.htm']) ?>
     </head>
     <body class="outer <?= $this->bodyClass ?>">
         <div id="layout-canvas">
diff --git a/modules/backend/layouts/default.htm b/modules/backend/layouts/default.htm
index 5bece1b92..022fc20bf 100644
--- a/modules/backend/layouts/default.htm
+++ b/modules/backend/layouts/default.htm
@@ -2,6 +2,7 @@
 <html lang="<?= App::getLocale() ?>" class="no-js <?= $this->makeLayoutPartial('browser_detector') ?>">
     <head>
         <?= $this->makeLayoutPartial('head') ?>
+        <?= $this->fireViewEvent('backend.layout.extendHead', ['layout' => 'default.htm']) ?>
     </head>
     <body class="<?= $this->bodyClass ?>">
         <div id="layout-canvas">
