diff --git a/demos/surface/src/main/java/com/google/android/exoplayer2/surfacedemo/MainActivity.java b/demos/surface/src/main/java/com/google/android/exoplayer2/surfacedemo/MainActivity.java
index 8d4450b6b3..5630ea235b 100644
--- a/demos/surface/src/main/java/com/google/android/exoplayer2/surfacedemo/MainActivity.java
+++ b/demos/surface/src/main/java/com/google/android/exoplayer2/surfacedemo/MainActivity.java
@@ -223,8 +223,7 @@ public final class MainActivity extends Activity {
       throw new IllegalStateException();
     }
     player = new SimpleExoPlayer.Builder(getApplicationContext()).build();
-    player.setMediaItem(mediaSource);
-    player.prepare();
+    player.prepare(mediaSource);
     player.setPlayWhenReady(true);
     player.setRepeatMode(Player.REPEAT_MODE_ALL);