diff --git a/bin/worker b/bin/worker
index d57cf13d..e605849a 100755
--- a/bin/worker
+++ b/bin/worker
@@ -11,10 +11,8 @@ end
 
 if ENV['AUX_WORKER']
   # Run all queues (including :auxiliary)
-  %x{export GOOD_JOB_QUEUES='*'}
-  exec "echo $DATABASE_URL && bundle exec good_job"
+  exec "echo $DATABASE_URL && GOOD_JOB_QUEUES='*' bundle exec good_job"
 else
   # Run all queues (excluding :auxiliary)
-  %x{export GOOD_JOB_QUEUES='-auxiliary'}
-  exec "echo $DATABASE_URL && bundle exec good_job"
+  exec "echo $DATABASE_URL && GOOD_JOB_QUEUES='-auxiliary' bundle exec good_job"
 end