diff --git a/library/core/src/main/java/com/google/android/exoplayer2/SimpleExoPlayer.java b/library/core/src/main/java/com/google/android/exoplayer2/SimpleExoPlayer.java
index 435852b1ab..990de0f9e1 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/SimpleExoPlayer.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/SimpleExoPlayer.java
@@ -1354,10 +1354,7 @@ public class SimpleExoPlayer extends BasePlayer
   @Override
   public void prepare(MediaSource mediaSource, boolean resetPosition, boolean resetState) {
     verifyApplicationThread();
-    setMediaSources(
-        Collections.singletonList(mediaSource),
-        /* startWindowIndex= */ resetPosition ? 0 : C.INDEX_UNSET,
-        /* startPositionMs= */ C.TIME_UNSET);
+    setMediaSources(Collections.singletonList(mediaSource), resetPosition);
     prepare();
   }