diff --git a/src/format_vorbis.c b/src/format_vorbis.c
index f9e268bb..b88fe5a1 100644
--- a/src/format_vorbis.c
+++ b/src/format_vorbis.c
@@ -430,7 +430,7 @@ static void vorbis_set_tag (format_plugin_t *plugin, const char *tag, const char
     else
         return;
 
-    value = util_conv_string (value, charset, "UTF-8");
+    value = util_conv_string (in_value, charset, "UTF-8");
     if (value == NULL)
         value = strdup (in_value);