diff --git a/ox/cache.py b/ox/cache.py
index f55ba8e..c475322 100644
--- a/ox/cache.py
+++ b/ox/cache.py
@@ -141,7 +141,7 @@ def save_url(url, filename, overwrite=False):
     if not os.path.exists(filename) or overwrite:
         dirname = os.path.dirname(filename)
         if dirname and not os.path.exists(dirname):
-            os.makedirs(dirname)
+            makedirs(dirname)
         data = read_url(url)
         with open(filename, 'wb') as f:
             f.write(data)
@@ -178,7 +178,7 @@ class SQLiteCache(Cache):
     def __init__(self):
         path = cache_path()
         if not os.path.exists(path):
-            os.makedirs(path)
+            makedirs(path)
         self.db = os.path.join(path, "cache.sqlite")
         self.create()