diff --git a/modules/cragr/api/pages.py b/modules/cragr/api/pages.py
index 8cfe987c10996d8066feef123fe6b8749c1286d2..9fe03a836e4ed4775fd4f045375c246f3148e56e 100644
--- a/modules/cragr/api/pages.py
+++ b/modules/cragr/api/pages.py
@@ -58,7 +58,7 @@ def get_keypad_id(self):
 class LoginPage(HTMLPage):
     def get_login_form(self, username, keypad_password, keypad_id):
         form = self.get_form(id="loginForm")
-        form['j_username'] = username
+        form['j_username'] = username[:11]
         form['j_password'] = keypad_password
         form['keypadId'] = keypad_id
         return form