diff --git a/app/models/poll/stats.rb b/app/models/poll/stats.rb
index 62b53a15b..4191f0715 100644
--- a/app/models/poll/stats.rb
+++ b/app/models/poll/stats.rb
@@ -104,7 +104,7 @@ class Poll::Stats
     end
 
     stats_cache(*stats_methods)
-    stats_cache :voters, :recounts
+    stats_cache :participants, :voters, :recounts
 
     def stats_cache(key, &block)
       Rails.cache.fetch("polls_stats/#{poll.id}/#{key}/v12", &block)