diff --git a/src/build-task-definition.sh b/src/build-task-definition.sh
index 7bd847b..13313d2 100755
--- a/src/build-task-definition.sh
+++ b/src/build-task-definition.sh
@@ -5,7 +5,7 @@ get_task_definition() {
   task_name=$1
 
   # Thoses keys are returned by the Amazon ECS DescribeTaskDefinition, but are not valid fields when registering a new task definition
-  keys_to_omit=".compatibilities, .taskDefinitionArn, .requiresAttributes, .revision, .status, .registeredBy, .registeredAt"
+  keys_to_omit=".compatibilities, .taskDefinitionArn, .requiresAttributes, .revision, .status, .registeredBy, .registeredAt, .containerDefinitions[].systemControls"
 
   returned_task_definition=$(aws ecs describe-task-definition --task-definition "${task_name}" | jq .taskDefinition | jq "del($keys_to_omit)")
   if [ -z "${returned_task_definition}" ]; then