Index: languageinterface.module
===================================================================
--- languageinterface.module	(revision 39503)
+++ languageinterface.module	(working copy)
@@ -189,7 +189,7 @@
       $activeclass = FALSE;
     }
     
-    $src = rootpath() . str_replace('*', $lang, $flagpath);
+    $src = variable_get('li_flagroot', rootpath()) . str_replace('*', $lang, $flagpath);
     $text = '';
     
     $defaulttext = db_result(db_query('SELECT native FROM {languages} WHERE language = "%s"', $lang));