diff --git a/inc/class.embed.php b/inc/class.embed.php
index 2e758cd..2c5f870 100644
--- a/inc/class.embed.php
+++ b/inc/class.embed.php
@@ -59,8 +59,8 @@ private function embed($atts): string
     public function get_inline_embed_script($url, $custom_cal_url): string
     {
         $script = '<script>
+            var customCalUrl = "' . $custom_cal_url . '";
             addEventListener("DOMContentLoaded", (event) => {
-                var customCalUrl = "' . $custom_cal_url . '";
                 const selector = document.getElementById("calcom-embed");
                 Cal("inline", {
                     elementOrSelector: selector,