diff --git a/app/models/competition.rb b/app/models/competition.rb
index 0ffd1c7a5..bb21f0ef8 100644
--- a/app/models/competition.rb
+++ b/app/models/competition.rb
@@ -150,7 +150,7 @@ class Competition < ApplicationRecord
   end
 
   def charts_count
-    competition_awards.pluck(:num)&.sum > 0 ? competition_awards.pluck(:num)&.sum : awards_count
+    competition_awards.pluck(:num)&.sum.to_i > 0 ? competition_awards.pluck(:num)&.sum.to_i : awards_count
   end
 
   def manager?(user)