diff --git a/scripts/steward/create-docker-compose-files/env.env.tpl b/scripts/steward/create-docker-compose-files/env.env.tpl
index 1ca4dc3..012ea57 100644
--- a/scripts/steward/create-docker-compose-files/env.env.tpl
+++ b/scripts/steward/create-docker-compose-files/env.env.tpl
@@ -36,6 +36,7 @@ START_SUB_REQ_ERROR_LOG=true
 START_SUB_REQ_HELLO=true
 START_SUB_REQ_TO_FILE_APPEND=true
 START_SUB_REQ_TO_FILE=true
+START_SUB_REQ_TO_FILE_NACK=true
 START_SUB_REQ_COPY_FILE_FROM=true
 START_SUB_REQ_COPY_FILE_TO=true
 START_SUB_REQ_PING=true