diff --git a/app/client/interpolator.js b/app/client/interpolator.js
index 5339c7a..7a248e3 100644
--- a/app/client/interpolator.js
+++ b/app/client/interpolator.js
@@ -7,6 +7,7 @@ export default class Interpolator {
   accept(state) {
     const packet = state;
     if ('Tick' !== packet.type) {
+      postMessage(packet);
       return;
     }
     this.penultimate = this.latest;
@@ -93,7 +94,7 @@ const interpolate = (now) => {
 
 onmessage = async (event) => {
   interpolator.accept(event.data);
-  if (interpolator.penultimate) {
+  if (interpolator.penultimate && 'Tick' === event.data.type) {
     postMessage({
       type: 'Tick',
       payload: {