diff --git a/doc/polls/2013/operating_system.mdwn b/doc/polls/2013/operating_system.mdwn
index 2b9f494fa6..25f33452b3 100644
--- a/doc/polls/2013/operating_system.mdwn
+++ b/doc/polls/2013/operating_system.mdwn
@@ -1,5 +1,5 @@
 Pick the operating system which you use git-annex on the most.
 
-[[!poll expandable=yes open=yes 4 "Linux" 0 "OSX" 0 "Android" 0 "other Unix" 0 "Windows"]]
+[[!poll expandable=yes open=yes 5 "Linux" 0 "OSX" 0 "Android" 0 "other Unix" 0 "Windows"]]
 
 [[!sidebar content=""]]