diff --git a/library/ui/src/main/java/com/google/android/exoplayer2/ui/spherical/SceneRenderer.java b/library/ui/src/main/java/com/google/android/exoplayer2/ui/spherical/SceneRenderer.java
index 5080e86345..674826e387 100644
--- a/library/ui/src/main/java/com/google/android/exoplayer2/ui/spherical/SceneRenderer.java
+++ b/library/ui/src/main/java/com/google/android/exoplayer2/ui/spherical/SceneRenderer.java
@@ -54,8 +54,8 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
   private @MonotonicNonNull SurfaceTexture surfaceTexture;
 
   // Used by other threads only
-  private volatile @C.StreamType int defaultStereoMode;
-  private @C.StreamType int lastStereoMode;
+  @C.StereoMode private volatile int defaultStereoMode;
+  @C.StereoMode private int lastStereoMode;
   @Nullable private byte[] lastProjectionData;
 
   // Methods called on any thread.