diff --git a/models/issue_comment.go b/models/issue_comment.go
index ec9441bde..8197eba85 100755
--- a/models/issue_comment.go
+++ b/models/issue_comment.go
@@ -48,8 +48,6 @@ const (
 	CommentTypePullRef
 	// Labels changed
 	CommentTypeLabel
-	// Ref changed
-	CommentTypeRef
 	// Milestone changed
 	CommentTypeMilestone
 	// Assignees changed
@@ -92,6 +90,8 @@ const (
 	CommentTypeReviewRequest
 	// merge pull request
 	CommentTypeMergePull
+	// Ref changed
+	CommentTypeRef
 )
 
 // CommentTag defines comment tag type