diff --git a/data_from_portwine/scripts/functions_helper b/data_from_portwine/scripts/functions_helper
index 34359389..740be877 100755
--- a/data_from_portwine/scripts/functions_helper
+++ b/data_from_portwine/scripts/functions_helper
@@ -4763,6 +4763,7 @@ portwine_launch () {
 
     [[ $PW_LOG != 1 ]] && debug_timer --start -s "PW_TIME_IN_GAME"
     if [[ -n "${LAUNCH_URI}" ]] ; then
+        export WINEFSYNC="1"
         pw_run start /high /b "${LAUNCH_URI}" &
         unset GAMEPID
         while true ; do