diff --git a/python/ja4.py b/python/ja4.py
index 76a5ccd..0cc7644 100644
--- a/python/ja4.py
+++ b/python/ja4.py
@@ -56,7 +56,7 @@ def version_check(ver):
     'ipv6': {
         'src': 'src',
         'dst': 'dst',
-        'ttl': 'ttl'
+        'ttl': 'hlim'
     },
     'tcp': {
          'flags': 'flags',