diff --git a/app.example.ini b/app.example.ini
index 99d5741..6f561f1 100644
--- a/app.example.ini
+++ b/app.example.ini
@@ -100,8 +100,9 @@ LANGS = en-US
 NAMES = English
 
 [U2F]
-APP_ID   = https://git.example.com
-ROOT_URL = https://git.example.com
+APP_ID         = https://git.example.com
+ROOT_URL       = https://git.example.com
+TRUSTED_FACETS = https://git.example.com
 
 [federation]
 ENABLED = false