diff --git a/builtin/v16/check.go b/builtin/v16/check.go
index cff45c7b..3ff73e05 100644
--- a/builtin/v16/check.go
+++ b/builtin/v16/check.go
@@ -1,4 +1,4 @@
-package v15
+package v16
 
 import (
 	"bytes"