diff --git a/filter.php b/filter.php
index 9dd707a237821d69a37a8e2eae21b7cb8b99f762..bc2f70852383d9d3a580d969b0f90cef63ad0982 100644
--- a/filter.php
+++ b/filter.php
@@ -47,7 +47,7 @@ class filter_opencast extends moodle_text_filter
      * @throws dml_exception
      */
     public function filter($text, array $options = array()) {
-        global $PAGE;
+        global $CFG, $PAGE;
         $i = 0;
 
         if (stripos($text, '</video>') === false) {
@@ -57,7 +57,7 @@ class filter_opencast extends moodle_text_filter
 
         foreach (\tool_opencast\local\settings_api::get_ocinstances() as $ocinstance) {
             $episodeurl = get_config('filter_opencast', 'episodeurl_' . $ocinstance->id);
-            if(!$episodeurl) {
+            if (!$episodeurl) {
                 continue;
             }
 
@@ -122,6 +122,7 @@ class filter_opencast extends moodle_text_filter
                             $mustachedata->data = json_encode($data);
                             $mustachedata->width = $width;
                             $mustachedata->height = $height;
+                            $mustachedata->modplayerpath = (new moodle_url('/mod/opencast/player.html'))->out();
 
                             if (count($data['streams']) === 1) {
                                 $sources = $data['streams'][0]['sources'];
diff --git a/templates/player.mustache b/templates/player.mustache
index 1c9d5cf9ec26b2406d1719c7865b67769ac55537..d814c1fccd381574b889da04d52c600e23a30437 100644
--- a/templates/player.mustache
+++ b/templates/player.mustache
@@ -27,6 +27,7 @@
       "height": "250",
       "playerid": "ocplayer_0",
       "configurl": "/filter/opencast/config.json",
+      "modplayerpath": "/mod/opencast/player.html",
       "data": "{&quot;metadata&quot;:{&quot;title&quot;: &quot;Test video&quot;, &quot;etc&quot;: &quot;...&quot;}"
   }
 }}
@@ -37,7 +38,7 @@
 {{^resolution}}
 <div class="filter-opencast player-wrapper">
 {{/resolution}}
-    <iframe src="/mod/opencast/player.html" class="filter-player-iframe" id="{{playerid}}" allowfullscreen></iframe>
+    <iframe src="{{modplayerpath}}" class="filter-player-iframe" id="{{playerid}}" allowfullscreen></iframe>
 </div>
 
 <script>