diff --git a/plumbum/path.py b/plumbum/path.py
index 4b2a8ff6a..d970ef364 100644
--- a/plumbum/path.py
+++ b/plumbum/path.py
@@ -87,7 +87,7 @@ def walk(self, filter = lambda p: True): #@ReservedAssignment
             if filter(p):
                 yield p
                 if p.isdir():
-                    for p2 in p.walk():
+                    for p2 in p.walk(filter):
                         yield p2
 
     @property