diff --git a/app/models/developer.rb b/app/models/developer.rb
index ee25a849c92..9ba023ba3c7 100644
--- a/app/models/developer.rb
+++ b/app/models/developer.rb
@@ -9,11 +9,11 @@ class Developer < ActiveRecord::Base
   @id_cache = DistributedCache.new("developer_ids")
 
   def self.user_ids
-    @id_cache["ids"] || rebuild_cache
+    @id_cache.defer_get_set("ids") { Set.new(Developer.pluck(:user_id)) }
   end
 
   def self.rebuild_cache
-    @id_cache["ids"] = Set.new(Developer.pluck(:user_id))
+    @id_cache.clear
   end
 
   def rebuild_cache