diff --git a/packages/griffith-mp4/src/mse/controller.js b/packages/griffith-mp4/src/mse/controller.js
index 2ebd58d4..ce1ac4e3 100644
--- a/packages/griffith-mp4/src/mse/controller.js
+++ b/packages/griffith-mp4/src/mse/controller.js
@@ -32,7 +32,6 @@ export default class MSE {
         this.handleTimeUpdate()
       }
     })
-    this.init()
   }
 
   init() {
@@ -134,7 +133,7 @@ export default class MSE {
     } = this.mp4Probe
 
     if (this.mediaSource.readyState === 'open') {
-      if (offsetInterVal[1] === videoSamplesLength) {
+      if (offsetInterVal[1] === videoSamplesLength && !this.mseUpdating) {
         this.mediaSource.endOfStream()
       } else if (this.shouldFetchNextSegment()) {
         this.seek()
diff --git a/packages/griffith-mp4/src/player.js b/packages/griffith-mp4/src/player.js
index 7231b087..3e2cc8f1 100644
--- a/packages/griffith-mp4/src/player.js
+++ b/packages/griffith-mp4/src/player.js
@@ -7,6 +7,7 @@ const {isSafari} = ua
 export default class Player extends Component {
   componentDidMount() {
     this.mse = new MSE(this.video, this.props.src)
+    this.mse.init()
   }
 
   componentDidUpdate(prevProps) {