diff --git a/modules/notification/base/notifier.go b/modules/notification/base/notifier.go
index 1c607ded3..83773ca0b 100644
--- a/modules/notification/base/notifier.go
+++ b/modules/notification/base/notifier.go
@@ -27,6 +27,7 @@ type Notifier interface {
 	NotifyIssueChangeContent(doer *models.User, issue *models.Issue, oldContent string)
 	NotifyIssueClearLabels(doer *models.User, issue *models.Issue)
 	NotifyIssueChangeTitle(doer *models.User, issue *models.Issue, oldTitle string)
+	NotifyIssueChangeRef(doer *models.User, issue *models.Issue, oldRef string)
 	NotifyIssueChangeLabels(doer *models.User, issue *models.Issue,
 		addedLabels []*models.Label, removedLabels []*models.Label)
 
diff --git a/modules/notification/base/null.go b/modules/notification/base/null.go
index f6c423b46..3a2f06aa9 100644
--- a/modules/notification/base/null.go
+++ b/modules/notification/base/null.go
@@ -94,6 +94,10 @@ func (*NullNotifier) NotifyIssueClearLabels(doer *models.User, issue *models.Iss
 func (*NullNotifier) NotifyIssueChangeTitle(doer *models.User, issue *models.Issue, oldTitle string) {
 }
 
+// NotifyIssueChangeRef places a place holder function
+func (*NullNotifier) NotifyIssueChangeRef(doer *models.User, issue *models.Issue, oldTitle string) {
+}
+
 // NotifyIssueChangeLabels places a place holder function
 func (*NullNotifier) NotifyIssueChangeLabels(doer *models.User, issue *models.Issue,
 	addedLabels []*models.Label, removedLabels []*models.Label) {
diff --git a/modules/notification/indexer/indexer.go b/modules/notification/indexer/indexer.go
index 4bce99073..e7eb04051 100644
--- a/modules/notification/indexer/indexer.go
+++ b/modules/notification/indexer/indexer.go
@@ -132,3 +132,7 @@ func (r *indexerNotifier) NotifyIssueChangeContent(doer *models.User, issue *mod
 func (r *indexerNotifier) NotifyIssueChangeTitle(doer *models.User, issue *models.Issue, oldTitle string) {
 	issue_indexer.UpdateIssueIndexer(issue)
 }
+
+func (r *indexerNotifier) NotifyIssueChangeRef(doer *models.User, issue *models.Issue, oldRef string) {
+	issue_indexer.UpdateIssueIndexer(issue)
+}
diff --git a/modules/notification/notification.go b/modules/notification/notification.go
index 8c5d7d603..1956afdf9 100644
--- a/modules/notification/notification.go
+++ b/modules/notification/notification.go
@@ -164,6 +164,13 @@ func NotifyIssueChangeTitle(doer *models.User, issue *models.Issue, oldTitle str
 	}
 }
 
+// NotifyIssueChangeRef notifies change reference to notifiers
+func NotifyIssueChangeRef(doer *models.User, issue *models.Issue, oldRef string) {
+	for _, notifier := range notifiers {
+		notifier.NotifyIssueChangeRef(doer, issue, oldRef)
+	}
+}
+
 // NotifyIssueChangeLabels notifies change labels to notifiers
 func NotifyIssueChangeLabels(doer *models.User, issue *models.Issue,
 	addedLabels []*models.Label, removedLabels []*models.Label) {
diff --git a/services/issue/issue.go b/services/issue/issue.go
index d651a892e..dc0596f22 100644
--- a/services/issue/issue.go
+++ b/services/issue/issue.go
@@ -48,8 +48,8 @@ func ChangeIssueRef(issue *models.Issue, doer *models.User, ref string) (err err
 	if err = issue.ChangeRef(doer, oldRef); err != nil {
 		return
 	}
-	// TODO: implement notifications
-	//notification.NotifyIssueChangeTitle(doer, issue, oldRef)
+	
+	notification.NotifyIssueChangeRef(doer, issue, oldRef)
 
 	return nil
 }