diff --git a/h5p.classes.php b/h5p.classes.php
index daa6ead..3bc78d1 100644
--- a/h5p.classes.php
+++ b/h5p.classes.php
@@ -1785,9 +1785,11 @@ class H5PCore {
     if ($type === 'preloadedCss' && (isset($dependency['dropCss']) && $dependency['dropCss'] === '1')) {
       return;
     }
+    dpm($prefix);
+    dpm($dependency['path']);
     foreach ($dependency[$type] as $file) {
       $assets[] = (object) array(
-        'path' => /*$prefix . */$dependency['path'] . '/' . trim(is_array($file) ? $file['path'] : $file),
+        'path' => $prefix . $dependency['path'] . '/' . trim(is_array($file) ? $file['path'] : $file),
         'version' => $dependency['version']
       );
     }
@@ -1807,7 +1809,7 @@ class H5PCore {
 
       // Add URL prefix if not external
       if (strpos($asset->path, '://') === FALSE) {
-        $url = /*$this->url .*/ $url;
+        $url = $this->url . $url;
       }
 
       // Add version/cache buster if set
@@ -1839,7 +1841,6 @@ class H5PCore {
         $dependency['preloadedJs'] = explode(',', $dependency['preloadedJs']);
         $dependency['preloadedCss'] = explode(',', $dependency['preloadedCss']);
       }
-
       $dependency['version'] = "?ver={$dependency['majorVersion']}.{$dependency['minorVersion']}.{$dependency['patchVersion']}";
       $this->getDependencyAssets($dependency, 'preloadedJs', $files['scripts'], $prefix);
       $this->getDependencyAssets($dependency, 'preloadedCss', $files['styles'], $prefix);