diff --git a/staging/src/k8s.io/client-go/tools/cache/fake_custom_store.go b/staging/src/k8s.io/client-go/tools/cache/fake_custom_store.go
index 8d71c247497..b59e2eb2724 100644
--- a/staging/src/k8s.io/client-go/tools/cache/fake_custom_store.go
+++ b/staging/src/k8s.io/client-go/tools/cache/fake_custom_store.go
@@ -40,7 +40,7 @@ func (f *FakeCustomStore) Add(obj interface{}) error {
 // Update calls the custom Update function if defined
 func (f *FakeCustomStore) Update(obj interface{}) error {
 	if f.UpdateFunc != nil {
-		return f.Update(obj)
+		return f.UpdateFunc(obj)
 	}
 	return nil
 }