diff --git a/core/includes/theme.inc b/core/includes/theme.inc
index a501991..b58958a 100644
--- a/core/includes/theme.inc
+++ b/core/includes/theme.inc
@@ -965,7 +965,7 @@ function theme_get_setting($setting_name, $theme = NULL) {
       // Generate the path to the logo image.
       if ($cache[$theme]->get('features.logo')) {
         if ($cache[$theme]->get('logo.use_default')) {
-          if (!file_exists($logo_path = dirname($theme_object->filename) . '/logo.png')) {
+          if (!file_exists($logo_path = $theme_object->getPath . '/logo.png')) {
             $logo_path = 'core/misc/druplicon.png';
           }
         }
@@ -981,7 +981,7 @@ function theme_get_setting($setting_name, $theme = NULL) {
       // Generate the path to the favicon.
       if ($cache[$theme]->get('features.favicon')) {
         if ($cache[$theme]->get('favicon.use_default')) {
-          if (!file_exists($favicon_path = dirname($theme_object->filename) . '/favicon.ico')) {
+          if (!file_exists($favicon_path = $theme_object->getPath . '/favicon.ico')) {
             $favicon_path = 'core/misc/favicon.ico';
           }
         }