diff --git a/app/helper/twofa.py b/app/helper/twofa.py
index 7ae2b242..e9068b5b 100644
--- a/app/helper/twofa.py
+++ b/app/helper/twofa.py
@@ -10,7 +10,7 @@ from app.log import logger
 
 class TwoFactorAuth:
     def __init__(self, code_or_secret: str):
-        if code_or_secret and len(code_or_secret) > 16:
+        if code_or_secret and len(code_or_secret) >= 16:
             self.code = None
             self.secret = code_or_secret
         else: