diff --git a/keepassxc-browser/common/sites.js b/keepassxc-browser/common/sites.js
index 96f65c7..d9ca047 100644
--- a/keepassxc-browser/common/sites.js
+++ b/keepassxc-browser/common/sites.js
@@ -164,6 +164,9 @@ kpxcSites.expectedTOTPMaxLength = function() {
     if (document.location.origin.startsWith('https://www.amazon')
         && document.location.href.includes('/ap/mfa')) {
         return 20;
+    } else if (document.location.origin.startsWith('https://adf.ly')
+        && document.location.href.includes('/index/twoFactorAuthentication')) {
+        return 30;
     }
 
     return MAX_TOTP_INPUT_LENGTH;