diff --git a/library/core/src/main/java/com/google/android/exoplayer2/trackselection/MappingTrackSelector.java b/library/core/src/main/java/com/google/android/exoplayer2/trackselection/MappingTrackSelector.java
index 37040c944f..2bbe974c47 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/trackselection/MappingTrackSelector.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/trackselection/MappingTrackSelector.java
@@ -67,7 +67,7 @@ public abstract class MappingTrackSelector extends TrackSelector {
       RENDERER_SUPPORT_EXCEEDS_CAPABILITIES_TRACKS,
       RENDERER_SUPPORT_PLAYABLE_TRACKS
     })
-    @interface RendererSupport {}
+    public @interface RendererSupport {}
     /** The renderer does not have any associated tracks. */
     public static final int RENDERER_SUPPORT_NO_TRACKS = 0;
     /**