diff --git a/app/language.c b/app/language.c
index ce0406d16c..f14fbb52c7 100644
--- a/app/language.c
+++ b/app/language.c
@@ -753,6 +753,7 @@ language_init (const gchar *language)
   else
     {
       g_setenv ("LANGUAGE", language, TRUE);
+      g_setenv ("LANG", language, TRUE);
       setlocale (LC_ALL, "");
 
       actual_language = g_strdup (language);