diff --git a/extras/qpsclient.py b/extras/qpsclient.py
index bb83588dd..7554f7eec 100644
--- a/extras/qpsclient.py
+++ b/extras/qpsclient.py
@@ -41,7 +41,7 @@ class QPSSpider(Spider):
 
         slots = int(self.slots)
         if slots > 1:
-            urls = [url.replace('localhost', '127.0.0.%d' % (x + 1)) for x in xrange(slots)]
+            urls = [url.replace('localhost', '127.0.0.%d' % (x + 1)) for x in range(slots)]
         else:
             urls = [url]