diff --git a/lib.php b/lib.php
index 4951e82..74670df 100644
--- a/lib.php
+++ b/lib.php
@@ -330,7 +330,8 @@ window.plagiarism_check_full_report = function (action, token) {
     
     form.submit();
 };
-window.onload = function () { 
+
+require([], function () { 
         var spans = window.document.getElementsByClassName('plagiarism-pchkorg-widget');
         for (var span of spans) {
             for (var classname of span.classList) {
@@ -370,8 +371,7 @@ window.onload = function () {
                 }
             }
         }
-}
-                "
+});"
                     );
                 }
 
diff --git a/version.php b/version.php
index b5e5816..ab4fbb6 100644
--- a/version.php
+++ b/version.php
@@ -26,9 +26,9 @@ defined('MOODLE_INTERNAL') || die();
 if (!isset($plugin)) {
     $plugin = new stdClass();
 }
-$plugin->version = 2022053111;
+$plugin->version = 2022060114;
 $plugin->requires = 2020061501; // Requires Moodle 3.9 .
-$plugin->release = 'v3.9.3';
+$plugin->release = 'v3.9.4';
 $plugin->component = 'plagiarism_pchkorg';
 $plugin->maturity = MATURITY_STABLE;
 $plugin->dependencies = array(