diff --git a/bin/background_jobs b/bin/background_jobs
index 45561eddfda..b770f4e0335 100755
--- a/bin/background_jobs
+++ b/bin/background_jobs
@@ -43,7 +43,7 @@ start_sidekiq()
 load_ok()
 {
   sidekiq_pid=$(cat $sidekiq_pidfile)
-  if [[ -z $sidekiq_pid ]] ; then
+  if [ -z $sidekiq_pid ] ; then
     warn "Could not find a PID in $sidekiq_pidfile"
     exit 0
   fi