diff --git a/pkg/source/mtadapter/adapter.go b/pkg/source/mtadapter/adapter.go
index 1b5a185dbe..17d993bf05 100644
--- a/pkg/source/mtadapter/adapter.go
+++ b/pkg/source/mtadapter/adapter.go
@@ -198,7 +198,9 @@ func (a *Adapter) Update(ctx context.Context, obj *v1beta1.KafkaSource) error {
 		URL: sinkURI,
 	}
 
-	adapter := a.adapterCtor(ctx, &config, sink, reporter)
+	// Need kubeclient in the context to make the adapter
+	adapterCtx := context.WithValue(ctx, kubeclient.Key{}, a.kubeClient)
+	adapter := a.adapterCtor(adapterCtx, &config, sink, reporter)
 
 	// TODO: define Limit interface.
 	if sta, ok := adapter.(*stadapter.Adapter); ok {