diff --git a/data_from_portwine/scripts/start.sh b/data_from_portwine/scripts/start.sh
index 9c0328f..8628b8d 100755
--- a/data_from_portwine/scripts/start.sh
+++ b/data_from_portwine/scripts/start.sh
@@ -142,7 +142,7 @@ check_variables PW_LOG "0"
 
 try_remove_file "${PORT_WINE_TMP_PATH}/update_pfx_log"
 
-if [[ "${PW_SILENT_INSTALL}" == 1 ]] ; then
+if [[ "${INSTALLING_PORT}" == 1 ]] ; then
     return 0
 fi