diff --git a/pkg/kubelet/server/portforward/httpstream.go b/pkg/kubelet/server/portforward/httpstream.go
index 919ed5a7868..be2426eaf42 100644
--- a/pkg/kubelet/server/portforward/httpstream.go
+++ b/pkg/kubelet/server/portforward/httpstream.go
@@ -46,7 +46,7 @@ func handleHttpStreams(req *http.Request, w http.ResponseWriter, portForwarder P
 	upgrader := spdy.NewResponseUpgrader()
 	conn := upgrader.UpgradeResponse(w, req, httpStreamReceived(streamChan))
 	if conn == nil {
-		return errors.New("Unable to upgrade websocket connection")
+		return errors.New("Unable to upgrade httpstream connection")
 	}
 	defer conn.Close()