diff --git a/dopy/manager.py b/dopy/manager.py
index 83c53bd..cefd804 100755
--- a/dopy/manager.py
+++ b/dopy/manager.py
@@ -80,7 +80,7 @@ def new_droplet(self, name, size_id, image_id, region_id,
             }
             if ssh_key_ids:
                 # Need to be an array in v2
-                if isinstance(ssh_key_ids, basestring):
+                if isinstance(ssh_key_ids, str):
                     ssh_key_ids = [ssh_key_ids]
 
                 if type(ssh_key_ids) == list: