diff --git a/issue.go b/issue.go
index 0aa03b70..0b441669 100644
--- a/issue.go
+++ b/issue.go
@@ -477,9 +477,9 @@ type Comment struct {
 	ID           string            `json:"id,omitempty" structs:"id,omitempty"`
 	Self         string            `json:"self,omitempty" structs:"self,omitempty"`
 	Name         string            `json:"name,omitempty" structs:"name,omitempty"`
-	Author       User              `json:"author,omitempty" structs:"author,omitempty"`
+	Author       *User              `json:"author,omitempty" structs:"author,omitempty"`
 	Body         string            `json:"body,omitempty" structs:"body,omitempty"`
-	UpdateAuthor User              `json:"updateAuthor,omitempty" structs:"updateAuthor,omitempty"`
+	UpdateAuthor *User              `json:"updateAuthor,omitempty" structs:"updateAuthor,omitempty"`
 	Updated      string            `json:"updated,omitempty" structs:"updated,omitempty"`
 	Created      string            `json:"created,omitempty" structs:"created,omitempty"`
 	Visibility   CommentVisibility `json:"visibility,omitempty" structs:"visibility,omitempty"`