diff --git a/scripts/change_url b/scripts/change_url
index 5f4466a..31c6be8 100755
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -31,9 +31,7 @@ ynh_change_url_nginx_config
 # UPDATE CONFIGURATION FILE
 #=================================================
 
-ynh_add_config --template="config.xml" --destination="$data_dir/config.xml"
-chmod 400 "$data_dir/config.xml"
-chown $app:$app "$data_dir/config.xml"
+ynh_replace_string --match_string="<UrlBase>$old_path</UrlBase>" --replace_string="<UrlBase>$new_path</UrlBase>" --target_file="$data_dir/config.xml"
 
 #=================================================
 # GENERIC FINALISATION