diff --git a/Lib/dumbdbm.py b/Lib/dumbdbm.py
index 30ec114..e508349 100644
--- a/Lib/dumbdbm.py
+++ b/Lib/dumbdbm.py
@@ -21,7 +21,7 @@
 
 """
 
-_os = __import__('os')
+import os as _os
 import __builtin__
 
 _open = __builtin__.open