diff --git a/library/core/src/main/java/com/google/android/exoplayer2/MediaPeriodInfoSequence.java b/library/core/src/main/java/com/google/android/exoplayer2/MediaPeriodInfoSequence.java
index ca4696e34a..d8c82dd498 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/MediaPeriodInfoSequence.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/MediaPeriodInfoSequence.java
@@ -223,8 +223,9 @@ import com.google.android.exoplayer2.source.MediaSource.MediaPeriodId;
           || !period.isAdAvailable(adGroupCount - 1, 0)) {
         return null;
       }
+      long contentDurationUs = period.getDurationUs();
       return getMediaPeriodInfoForAd(currentPeriodId.periodIndex, adGroupCount - 1, 0,
-          currentMediaPeriodInfo.endPositionUs);
+          contentDurationUs);
     }
   }