1 files changed, 1 insertions, 1 deletions
diff --git a/encoding.c b/encoding.c
index 07c9b42e9d..1af3c4422c 100644
--- a/encoding.c
+++ b/encoding.c
@@ -714,7 +714,7 @@ rb_locale_charmap(VALUE klass)
     codeset = nl_langinfo(CODESET);
     return rb_str_new2(codeset);
 #else
-    return rb_str_new2("ASCII-8BIT");
+    return Qnil;
 #endif
 }