diff --git a/nova/virt/disk/api.py b/nova/virt/disk/api.py
index 373c4fa..a8b411a 100644
--- a/nova/virt/disk/api.py
+++ b/nova/virt/disk/api.py
@@ -25,8 +25,10 @@ Includes injection of SSH PGP keys into authorized_keys file.
 
 """
 
-import crypt
 import os
+if os.name != 'nt':
+    import crypt
+
 import random
 import tempfile