diff --git a/update/v1.5/Update.sh b/update/v1.5/Update.sh
index 050b21c3..70385b3d 100755
--- a/update/v1.5/Update.sh
+++ b/update/v1.5/Update.sh
@@ -34,7 +34,7 @@ echo ""
 echo ""
 echo -e $GREEN"Update Web thirdparty"$DEFAULT
 echo ""
-bash ${AIL_FLASK}update_thirdparty.sh &
+bash -c "(cd ${AIL_FLASK}; ./update_thirdparty.sh &)"
 wait
 echo ""