diff --git a/app/controllers/admin/stats_controller.rb b/app/controllers/admin/stats_controller.rb
index 8cc5d712c..5543a2d1f 100644
--- a/app/controllers/admin/stats_controller.rb
+++ b/app/controllers/admin/stats_controller.rb
@@ -25,11 +25,11 @@ class Admin::StatsController < Admin::BaseController
 
   def proposal_notifications
     @proposal_notifications = ProposalNotification.all
-    @proposals_with_notifications = @proposal_notifications.pluck(:proposal_id).uniq
+    @proposals_with_notifications = @proposal_notifications.distinct.count(:proposal_id)
   end
 
   def direct_messages
-    @direct_messages = DirectMessage.all
-    @users_who_have_sent_message = DirectMessage.pluck(:sender_id).uniq
+    @direct_messages = DirectMessage.count
+    @users_who_have_sent_message = DirectMessage.distinct.count(:sender_id)
   end
 end
diff --git a/app/views/admin/stats/direct_messages.html.erb b/app/views/admin/stats/direct_messages.html.erb
index 432152db5..b87e2b3e3 100644
--- a/app/views/admin/stats/direct_messages.html.erb
+++ b/app/views/admin/stats/direct_messages.html.erb
@@ -7,14 +7,14 @@
     <div class="small-12 medium-3 column">
       <p class="featured">
         <%= t("admin.stats.direct_messages.total") %><br>
-        <span id="direct_messages_count" class="number"><%= @direct_messages.count %></span>
+        <span id="direct_messages_count" class="number"><%= @direct_messages %></span>
       </p>
     </div>
 
     <div class="small-12 medium-6 column end">
       <p>
         <%= t("admin.stats.direct_messages.users_who_have_sent_message") %><br>
-        <span id="users_who_have_sent_message_count" class="number"><%= @users_who_have_sent_message.count %></span>
+        <span id="users_who_have_sent_message_count" class="number"><%= @users_who_have_sent_message %></span>
       </p>
     </div>
   </div>
diff --git a/app/views/admin/stats/proposal_notifications.html.erb b/app/views/admin/stats/proposal_notifications.html.erb
index 75b1c04f5..79e19a247 100644
--- a/app/views/admin/stats/proposal_notifications.html.erb
+++ b/app/views/admin/stats/proposal_notifications.html.erb
@@ -7,14 +7,14 @@
     <div class="small-12 medium-3 column">
       <p class="featured">
         <%= t("admin.stats.proposal_notifications.total") %><br>
-        <span id="proposal_notifications_count" class="number"><%= @proposal_notifications.count %></span>
+        <span id="proposal_notifications_count" class="number"><%= @proposal_notifications %></span>
       </p>
     </div>
 
     <div class="small-12 medium-6 column end">
       <p>
         <%= t("admin.stats.proposal_notifications.proposals_with_notifications") %><br>
-        <span id="proposals_with_notifications_count" class="number"><%= @proposals_with_notifications.count %></span>
+        <span id="proposals_with_notifications_count" class="number"><%= @proposals_with_notifications %></span>
       </p>
     </div>
   </div>