diff --git a/config/initializers/sidekiq.rb b/config/initializers/sidekiq.rb
index 9e511e4e5..1c8d76756 100644
--- a/config/initializers/sidekiq.rb
+++ b/config/initializers/sidekiq.rb
@@ -23,21 +23,22 @@ if Sidekiq.server?
     end
   end
 
-  require 'scheduler/scheduler'
-
-  manager = Scheduler::Manager.new
-  Scheduler::Manager.discover_schedules.each do |schedule|
-    manager.ensure_schedule!(schedule)
-  end
-  Thread.new do
-    while true
-      begin
-        manager.tick
-      rescue => e
-        # the show must go on
-        Discourse.handle_exception(e)
+  Rails.application.config.after_initialize do
+    require 'scheduler/scheduler'
+    manager = Scheduler::Manager.new
+    Scheduler::Manager.discover_schedules.each do |schedule|
+      manager.ensure_schedule!(schedule)
+    end
+    Thread.new do
+      while true
+        begin
+          manager.tick
+        rescue => e
+          # the show must go on
+          Discourse.handle_exception(e)
+        end
+        sleep 1
       end
-      sleep 1
     end
   end
 end