diff --git a/installer/install.sh b/installer/install.sh
index 54fe028..9180f0d 100644
--- a/installer/install.sh
+++ b/installer/install.sh
@@ -157,7 +157,8 @@ source ./installer/my-user-my-group.sh
 echo "User $my_user Group $my_group"
 
 $sudo_cmd chown -R $my_user:$my_group $my_tmp
-rsync -a $my_tmp/ $my_root/
+$sudo_cmd chmod 0755 $my_tmp
+rsync -a --ignore-existing $my_tmp/ $my_root/
 rsync -a --ignore-existing $my_app_dist/etc/$my_app_name/$my_app_name.yml $my_root/etc/$my_app_name/$my_app_name.yml
 source ./installer/install-system-service.sh