diff --git a/nodepool/task_manager.py b/nodepool/task_manager.py
index a0d56017d..7105e4712 100644
--- a/nodepool/task_manager.py
+++ b/nodepool/task_manager.py
@@ -18,7 +18,7 @@
 
 import sys
 import threading
-import Queue
+from six.moves import queue as Queue
 import logging
 import time