diff --git a/lib/vos/drivers/s3_vfs_storage.rb b/lib/vos/drivers/s3_vfs_storage.rb
index 283bedb..fc3b561 100644
--- a/lib/vos/drivers/s3_vfs_storage.rb
+++ b/lib/vos/drivers/s3_vfs_storage.rb
@@ -140,8 +140,9 @@ def dir_exists? path
         end
 
         def normalize_path path
-          path.sub(/^\//, '')
+          path = path.sub(/^\//, '')
+          path == '' ? nil : path
         end
     end
   end
-end
\ No newline at end of file
+end