diff --git a/antidote.config.sh b/antidote.config.sh
index ae2098499dcdca1571035169760ff5a381a21f5a..b840d4fa5b032f1a9c00fae2692714743aaef4f3 100644
--- a/antidote.config.sh
+++ b/antidote.config.sh
@@ -32,7 +32,7 @@ cis_bearer="Bearer `bearer-gen http://microsoft.com/beta-cps ed857452-e380-4621-
 ##################################################################################################
 
 # CIS "namespace" is CIS "JobType". If it's not set in environment variable, set it. 
-[[ -z $cis_namespace ]] || cis_namespace=M365FleetAGCTest
+[[ "$cis_namespace" = "" ]] && cis_namespace=M365FleetAGCTest
 # If you are ommiting workflow name in your command line arguments, this is the default value. 
 cis_default_workflow_name=SampleWorkflow
 # These default arguments could be overriden by command line arguments. Use it if it makes your life easier.