diff --git a/app/models/concerns/likeable.rb b/app/models/concerns/likeable.rb
index 911317a6e..c1927a126 100644
--- a/app/models/concerns/likeable.rb
+++ b/app/models/concerns/likeable.rb
@@ -9,6 +9,10 @@ module Likeable
   end
 
   def liked_by?(member)
-    member && members.include?(member)
+    liked_by_members_names.include?(member.login_name)
+  end
+
+  def liked_by_members_names
+    Member.where(id: likes.pluck(:member_id)).pluck(:login_name)
   end
 end