diff --git a/h5p.classes.php b/h5p.classes.php
index d4aed45..06cd47c 100644
--- a/h5p.classes.php
+++ b/h5p.classes.php
@@ -2377,7 +2377,7 @@ class H5PCore {
     $platformInfo['uuid'] = $this->h5pF->getOption('site_uuid', '');
     // Adding random string to GET to be sure nothing is cached
     $random = substr(str_shuffle("0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"), 0, 5);
-    $json = $this->h5pF->fetchExternalData('https://h5p.org/libraries-metadata.json?api=1&platform=' . urlencode(json_encode($platformInfo)) . '&x=' . urlencode($random));
+    $json = $this->h5pF->fetchExternalData('http://h5p.org/libraries-metadata.json?api=1&platform=' . urlencode(json_encode($platformInfo)) . '&x=' . urlencode($random));
     if ($json !== NULL) {
       $json = json_decode($json);
       if (isset($json->libraries)) {