diff --git a/ansible/templates/submit-alternator-job.sh b/ansible/templates/submit-alternator-job.sh
index 7acbdb0..f9d554b 100644
--- a/ansible/templates/submit-alternator-job.sh
+++ b/ansible/templates/submit-alternator-job.sh
@@ -12,5 +12,5 @@ time spark-submit --class com.scylladb.migrator.Migrator \
 --conf spark.scylla.config=/home/ubuntu/scylla-migrator/config.dynamodb.yml \
 --executor-memory $EXECUTOR_MEMORY \
 --executor-cores $EXECUTOR_CORES \
---conf spark.driver.memory=64G \
+--driver-memory 4G \
 /home/ubuntu/scylla-migrator/scylla-migrator-assembly.jar
\ No newline at end of file
diff --git a/ansible/templates/submit-cql-job.sh b/ansible/templates/submit-cql-job.sh
index e9f6143..f167df7 100644
--- a/ansible/templates/submit-cql-job.sh
+++ b/ansible/templates/submit-cql-job.sh
@@ -19,7 +19,7 @@ time spark-submit --class com.scylladb.migrator.Migrator \
 
 #sometimes you will need a tuning for driver memory size
 #add this config to above to tune it:
-#  --conf spark.driver.memory=4G \
+#  --driver-memory 4G \
 
 # debug example
 #$SPARK_HOME/spark-submit --class com.scylladb.migrator.Migrator \