diff --git a/app/jobs/lecture_checkin_job.rb b/app/jobs/lecture_checkin_job.rb
index 3d6c335..185b9ac 100644
--- a/app/jobs/lecture_checkin_job.rb
+++ b/app/jobs/lecture_checkin_job.rb
@@ -3,7 +3,7 @@ class LectureCheckinJob < ApplicationJob
 
   def perform(*args)
     lecture = Lecture.find_by(start_time: Time.now - 5.minutes..Time.now + 5.minutes)
-    return if lecture.empty?
+    return unless lecture.present?
 
     puts(HTTParty.post(
       "https://api.pushcut.io/2Kdtb5V7SoDXQOPxCJetk/notifications/Checkin",