diff --git a/framework/core/src/Frontend/Content/Assets.php b/framework/core/src/Frontend/Content/Assets.php
index 7a7c2bf86..b5f852415 100644
--- a/framework/core/src/Frontend/Content/Assets.php
+++ b/framework/core/src/Frontend/Content/Assets.php
@@ -53,7 +53,7 @@ class Assets
         return $this;
     }
 
-    public function __invoke(Document $document, Request $request): void
+    public function __invoke(Document $document, Request $request)
     {
         $locale = $request->getAttribute('locale');