diff --git a/src/Extensions/SiteMemberLoginForm.php b/src/Extensions/SiteMemberLoginForm.php
index 5ac1aaa..2bfbcad 100644
--- a/src/Extensions/SiteMemberLoginForm.php
+++ b/src/Extensions/SiteMemberLoginForm.php
@@ -23,7 +23,7 @@ class SiteMemberLoginForm extends MemberLoginForm
         $fields = $this->Fields();
         $actions = $this->Actions();
 
-        Requirements::customScript('document.querySelector(".field-password__show-password").addEventListener("click",function(e){e.preventDefault();var p = document.querySelector(\'[name="Password"]\');if(p.getAttribute("type")==="password"){var attr="text";}else{var attr="password"}p.setAttribute("type", attr);});');
+        Requirements::customScript('const pwd = document.querySelector(".field-password__show-password");if(pwd){pwd.addEventListener("click",function(e){e.preventDefault();var p = document.querySelector(\'[name="Password"]\');if(p.getAttribute("type")==="password"){var attr="text";}else{var attr="password"}p.setAttribute("type", attr);});}');
         $email = $fields->fieldByName('Email');
         if ($email) {
             $email