diff --git a/netdev/tree_match.py b/netdev/tree_match.py
index 8b8cc50..68bbd35 100644
--- a/netdev/tree_match.py
+++ b/netdev/tree_match.py
@@ -53,6 +53,8 @@ def _tree_name_should_be_local_files(raw_email):
         'include/linux/skbuff.h',
         'include/net/',
         'include/phy/',
+        # lib/ is pretty broad but patch volume is low
+        'lib/',
         'net/',
         'drivers/atm/',
         'drivers/dpll/',