diff --git a/app/models/poll/stats.rb b/app/models/poll/stats.rb
index ea075e6c9..d7c9826c5 100644
--- a/app/models/poll/stats.rb
+++ b/app/models/poll/stats.rb
@@ -92,11 +92,11 @@ class Poll::Stats
   private
 
     def participant_ids
-      voters.pluck(:user_id)
+      voters
     end
 
     def voters
-      @voters ||= poll.voters
+      @voters ||= poll.voters.select(:user_id)
     end
 
     def recounts