diff --git a/scripts/change_url b/scripts/change_url
index c711c18..6787012 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -8,6 +8,8 @@ ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app
 
 ynh_change_url_nginx_config
 
+prefix="${path#"/"}/"
+prefix=${prefix%"/"}
 ynh_add_jinja_config --template=local.py.j2 --destination="$install_dir/coin/settings_local.py"
 
 chmod 400 "$install_dir/coin/settings_local.py"