diff --git a/benchmark.py b/benchmark.py
index 4e1a975..e1cf06f 100644
--- a/benchmark.py
+++ b/benchmark.py
@@ -140,7 +140,10 @@ def benchmark(path, get_size=False):
             for root, dirs, files in os_walk_func(path):
                 for filename in files:
                     fullname = os.path.join(root, filename)
-                    size += os.path.getsize(fullname)
+                    try:
+                        size += os.path.getsize(fullname)
+                    except OSError:
+                        pass
             sizes['os_walk'] = size
 
         def do_scandir_walk():