diff --git a/thicket/thicket.py b/thicket/thicket.py
index 3e14504a..13133f3d 100644
--- a/thicket/thicket.py
+++ b/thicket/thicket.py
@@ -157,7 +157,7 @@ def __str__(self):
         return s
 
     @staticmethod
-    def profile_hasher(obj, hex_len=8):
+    def profile_hasher(obj, hex_len=11):
         """Convert an object to a profile hash for Thicket.
 
         Arguments: