diff --git a/src/Request/ContaoPageContextInitializer.php b/src/Request/ContaoPageContextInitializer.php
index 1bc84f6..44604d6 100644
--- a/src/Request/ContaoPageContextInitializer.php
+++ b/src/Request/ContaoPageContextInitializer.php
@@ -29,6 +29,7 @@
 use function explode;
 use function is_array;
 use function is_string;
+use function method_exists;
 use function str_replace;
 
 /**
@@ -133,6 +134,10 @@ private function initializeLocale(PageContext $context, Request $request): void
      */
     private function initializeStaticUrls(): void
     {
+        if (! method_exists(Controller::class, 'setStaticUrls')) {
+            return;
+        }
+
         $this->framework->getAdapter(Controller::class)->setStaticUrls();
     }
 
@@ -161,7 +166,9 @@ private function initializePageLayout(PageContext $context): void
         assert($theme instanceof ThemeModel);
 
         // Set the default image densities
-        $this->pictureFactory->setDefaultDensities($theme->defaultImageDensities);
+        if ($theme->defaultImageDensities) {
+            $this->pictureFactory->setDefaultDensities($theme->defaultImageDensities);
+        }
 
         // Store the layout ID
         $page->layoutId = $layout->id;