diff --git a/spark-cluster-configuration-profile.sh b/spark-cluster-configuration-profile.sh
index 1eed80e..1f163df 100644
--- a/spark-cluster-configuration-profile.sh
+++ b/spark-cluster-configuration-profile.sh
@@ -1,7 +1,8 @@
 #!/bin/bash
 
 # automatically export env variables
-set -A
+#set -A
+set -a
 
 # Use this file to override default Spark cluster configuration set by '/opt/start-cluster.sh'
 # e.g.