diff --git a/app/views/sessions/_form.haml b/app/views/sessions/_form.haml
index a4e608386..4f480f1ad 100644
--- a/app/views/sessions/_form.haml
+++ b/app/views/sessions/_form.haml
@@ -23,6 +23,7 @@
                    autocapitalize: "none",
                    autocorrect: "off",
                    autofocus: true,
+                   value: prefilled_username,
                    aria: {labelledby: "usernameLabel"}
 
     - if mobile