diff --git a/id/error.go b/id/error.go
index 0c45ebb50fa548091c410bec00b8ea1ed8dfff63..3622b5d1678418d7ff0e05660491fa6791ff07cd 100644
--- a/id/error.go
+++ b/id/error.go
@@ -3,8 +3,8 @@ package id
 import "errors"
 
 var (
-	ErrInvalid         = errors.New("invalid ObjectId")
-	ErrUnknown         = errors.New("unknown ObjectId type")
+	ErrInvalidID         = errors.New("invalid ObjectId")
+	ErrUnknownType         = errors.New("unknown ObjectId type")
 	ErrHandlerNotFound = errors.New("ObjectId handler not found")
 	ErrTypeNotFound    = errors.New("type key not found in map")
 	ErrInvalidType     = errors.New("ObjectId should be a string")