diff --git a/library/common/src/main/java/com/google/android/exoplayer2/Timeline.java b/library/common/src/main/java/com/google/android/exoplayer2/Timeline.java
index 5e9ff6a65d..189efc3258 100644
--- a/library/common/src/main/java/com/google/android/exoplayer2/Timeline.java
+++ b/library/common/src/main/java/com/google/android/exoplayer2/Timeline.java
@@ -983,6 +983,8 @@ public abstract class Timeline implements Bundleable {
         }
       };
 
+  protected Timeline() {}
+
   /** Returns whether the timeline is empty. */
   public final boolean isEmpty() {
     return getWindowCount() == 0;