diff --git a/knock/users.go b/knock/users.go
index 8ff1399..bdcc2b4 100644
--- a/knock/users.go
+++ b/knock/users.go
@@ -72,6 +72,7 @@ type Feed struct {
 }
 
 type FeedItem struct {
+	ID              string                 `json:"id"`
 	Activities      []*MessageActivity     `json:"activities"`
 	Actors          []*User                `json:"actors"`
 	TotalActivities int                    `json:"total_activities"`
diff --git a/knock/users_test.go b/knock/users_test.go
index 84805df..5c016fb 100644
--- a/knock/users_test.go
+++ b/knock/users_test.go
@@ -336,6 +336,7 @@ func TestFeed_Get(t *testing.T) {
 	want := &Feed{
 		FeedItems: []*FeedItem{
 			{
+				ID: "1sMtIsRvZtYf86aOfkM2PCpC6Xc",
 				Activities: []*MessageActivity{
 					{
 						ID: "activity-id",