diff --git a/models/classes/media/ItemMediaResolver.php b/models/classes/media/ItemMediaResolver.php
index 2175bf18..96c0619f 100644
--- a/models/classes/media/ItemMediaResolver.php
+++ b/models/classes/media/ItemMediaResolver.php
@@ -15,7 +15,7 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  *
- * Copyright (c) 2015 (original work) Open Assessment Technologies SA;
+ * Copyright (c) 2021 (original work) Open Assessment Technologies SA;
  *
  *
  */
@@ -27,7 +27,7 @@
 
 class ItemMediaResolver extends TaoMediaResolver
 {
-    
+
     private $localMediaSource;
 
     public function __construct($item, $lang)
@@ -41,7 +41,7 @@ public function __construct($item, $lang)
     public function resolve($url)
     {
         $urlParts = parse_url($url);
-        if (!isset($urlParts['scheme']) || !isset($urlParts['host'])) {
+        if (!isset($urlParts['scheme']) || (!isset($urlParts['host']) && $urlParts['scheme'] !== 'data')) {
             return new MediaAsset($this->localMediaSource, ltrim($url, '/'));
         } else {
             return parent::resolve($url);