diff --git a/src/public/app/widgets/type_widgets/protected_session.js b/src/public/app/widgets/type_widgets/protected_session.js
index 337b78656..c10ca555b 100644
--- a/src/public/app/widgets/type_widgets/protected_session.js
+++ b/src/public/app/widgets/type_widgets/protected_session.js
@@ -20,7 +20,7 @@ const TPL = `
     <form class="protected-session-password-form">
         <div class="form-group">
             <label for="protected-session-password-in-detail">${t("protected_session.enter_password_instruction")}</label>
-            <input class="protected-session-password-in-detail form-control protected-session-password" type="password" autofocus>
+            <input id="protected-session-password-in-detail" class="form-control protected-session-password" type="password" autofocus>
         </div>
 
         <button class="btn btn-primary">${t("protected_session.start_session_button")}</button>