diff -u -r wp-content/plugins/wp-scss/options.php ../../preprod/htdocs/wp-content/plugins/wp-scss/options.php
--- wp-content/plugins/wp-scss/options.php      2021-03-09 21:39:47.573138134 +0100
+++ ../../preprod/htdocs/wp-content/plugins/wp-scss/options.php 2021-02-18 19:17:48.398482199 +0100
@@ -89,6 +89,7 @@
         'type' => apply_filters( 'wp_scss_base_compiling_modes',
           array(
             get_stylesheet_directory()  => 'Current theme',
+            get_template_directory()  => 'Parent theme',
             wp_get_upload_dir()['basedir'] => 'Uploads directory',
             WPSCSS_PLUGIN_DIR => 'WP-SCSS Plugin',
           )