diff --git a/app/controllers/admin/stats_controller.rb b/app/controllers/admin/stats_controller.rb
index f21ceea9b..abfecdd7f 100644
--- a/app/controllers/admin/stats_controller.rb
+++ b/app/controllers/admin/stats_controller.rb
@@ -18,8 +18,7 @@ class Admin::StatsController < Admin::BaseController
     @verified_users = User.with_hidden.level_two_or_three_verified.count
     @unverified_users = User.with_hidden.unverified.count
     @users = User.with_hidden.count
-    @user_ids_who_voted_proposals =
-     ActsAsVotable::Vote.where(votable_type: 'Proposal').pluck(:voter_id).uniq.count
+    @user_ids_who_voted_proposals = ActsAsVotable::Vote.where(votable_type: 'Proposal').distinct.count(:voter_id)
     @user_ids_who_didnt_vote_proposals = @verified_users - @user_ids_who_voted_proposals
     @spending_proposals = SpendingProposal.count