1 files changed, 2 insertions, 0 deletions
diff --git a/common.c b/common.c
index 7bfe9fe..03c6356 100644
--- a/common.c
+++ b/common.c
@@ -664,6 +664,8 @@ config_item_string (const struct str *s)
 {
 	struct config_item_ *self = config_item_new (CONFIG_ITEM_STRING);
 	str_init (&self->value.string);
+	hard_assert (utf8_validate
+		(self->value.string.str, self->value.string.len));
 	if (s) str_append_str (&self->value.string, s);
 	return self;
 }