diff --git a/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/MediaExtractorCompat.java b/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/MediaExtractorCompat.java
index caa566e48c..3435935253 100644
--- a/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/MediaExtractorCompat.java
+++ b/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/MediaExtractorCompat.java
@@ -207,7 +207,7 @@ public final class MediaExtractorCompat {
       setDataSource(
           assetFileDescriptor.getFileDescriptor(),
           assetFileDescriptor.getStartOffset(),
-          assetFileDescriptor.getLength());
+          assetFileDescriptor.getDeclaredLength());
     }
   }