diff --git a/cms/templates/activation_active.html b/cms/templates/activation_active.html
index 0ddeb185f9..673ef33de6 100644
--- a/cms/templates/activation_active.html
+++ b/cms/templates/activation_active.html
@@ -26,7 +26,7 @@
       <ul class="list-actions">
         <li class="action-item">
           <a href="/signin" class="action-primary action-signin">
-            ${_("Sign into {studio_name}").format(platform_name=settings.STUDIO_SHORT_NAME)}
+            ${_("Sign into {studio_name}").format(studio_name=settings.STUDIO_SHORT_NAME)}
           </a>
         </li>
       </ul>