diff --git a/_extensions/demo_link.py b/_extensions/demo_link.py
index 296b235c7..ab607782c 100644
--- a/_extensions/demo_link.py
+++ b/_extensions/demo_link.py
@@ -1,9 +1,14 @@
-import Queue
 import collections
 import threading
 import urllib
 import xmlrpclib
 
+try:
+    import Queue
+except ImportError:
+    # P3
+    import queue as Queue
+
 from xml.etree import ElementTree as ET
 
 from docutils import nodes, utils