diff --git a/app/assets/javascripts/discourse/app/templates/mobile/modal/login.hbs b/app/assets/javascripts/discourse/app/templates/mobile/modal/login.hbs
index 79aa1fabd10..49ef7314dd1 100644
--- a/app/assets/javascripts/discourse/app/templates/mobile/modal/login.hbs
+++ b/app/assets/javascripts/discourse/app/templates/mobile/modal/login.hbs
@@ -56,6 +56,7 @@
     {{#if canLoginLocal}}
       {{#unless showSecurityKey }}
         {{d-button action=(action "login")
+          id="login-button"
           icon="unlock"
           label=loginButtonLabel
           disabled=loginDisabled