diff --git a/tools/generate_argumentfile.sh b/tools/generate_argumentfile.sh
index a19aca1..f571971 100755
--- a/tools/generate_argumentfile.sh
+++ b/tools/generate_argumentfile.sh
@@ -26,3 +26,4 @@
 echo "--variable TFTP_FILE_NAME:$TFTP_FILE_NAME" >> $ARG_FILE
 echo "--variable IMAGE_FILE_PATH:$IMAGE_FILE_PATH" >> $ARG_FILE
 echo "--variable BAD_IMAGES_DIR_PATH:$BAD_IMAGES_DIR_PATH" >> $ARG_FILE
+echo "--variable LAST_KNOWN_GOOD_VERSION:$LAST_KNOWN_GOOD_VERSION" >> $ARG_FILE