diff --git a/Commands/Polls.cs b/Commands/Polls.cs
index 2ae6020..77c6e03 100644
--- a/Commands/Polls.cs
+++ b/Commands/Polls.cs
@@ -75,6 +75,7 @@ namespace dotbot.Commands
                 var poll = _polls[pollId];
                 poll.IsOpen = false;
                 await ReplyAsync($"the winner was **{poll.Winner}**\nwith {poll.Winner.Votes} votes");
+                poll = null;
             }
             else await ReplyAsync("you haven't started any polls");
         }