diff --git a/ruby/lib/jam_ruby/resque/scheduled/jam_tracks_cleaner.rb b/ruby/lib/jam_ruby/resque/scheduled/jam_tracks_cleaner.rb
index 7449d6f0e..77061a799 100644
--- a/ruby/lib/jam_ruby/resque/scheduled/jam_tracks_cleaner.rb
+++ b/ruby/lib/jam_ruby/resque/scheduled/jam_tracks_cleaner.rb
@@ -26,8 +26,8 @@ module JamRuby
         # this needs more testing
 
         # let's make sure jobs don't stay falsely queued for too long.  1 hour seems more than enough
-        JamTrackRight.where("queued = true AND (NOW() - signing_queued_at > '1 hour'::INTERVAL OR NOW() - updated_at > '1 hour'::INTERVAL").update_all(queued:false)
-        JamTrackRightMixdown.unscoped.where("queued = true AND (NOW() - signing_queued_at > '1 hour'::INTERVAL OR NOW() - updated_at > '1 hour'::INTERVAL").update_all(queued:false)
+        JamTrackRight.where("queued = true AND (NOW() - signing_queued_at > '1 hour'::INTERVAL OR NOW() - updated_at > '1 hour'::INTERVAL)").update_all(queued:false)
+        JamTrackRightMixdown.unscoped.where("queued = true AND (NOW() - signing_queued_at > '1 hour'::INTERVAL OR NOW() - updated_at > '1 hour'::INTERVAL)").update_all(queued:false)
 
         return
         #JamTrackRight.ready_to_clean.each do |jam_track_right|