diff --git a/app/jobs/add_registration_job.rb b/app/jobs/add_registration_job.rb
index 55954c50ae..001025a399 100644
--- a/app/jobs/add_registration_job.rb
+++ b/app/jobs/add_registration_job.rb
@@ -17,6 +17,10 @@ def self.prepare_task(user_id, competition_id)
   end
 
   def perform(lane_name, competition_id, user_id, lane_params)
+    # Hotfix for mass stuck duplicate registrations in the queue
+    registration = Registration.find_by(competition_id: competition_id, user_id: user_id)
+    return if registration.present?
+
     lane_model_name = lane_name.upcase_first
 
     lane = Registrations::Lanes.class_eval(lane_model_name)