diff --git a/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/offline/DefaultDownloaderFactory.java b/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/offline/DefaultDownloaderFactory.java
index 437490eea3..1fee9d80cb 100644
--- a/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/offline/DefaultDownloaderFactory.java
+++ b/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/offline/DefaultDownloaderFactory.java
@@ -105,7 +105,7 @@ public class DefaultDownloaderFactory implements DownloaderFactory {
       return constructor.newInstance(mediaItem, cacheDataSourceFactory, executor);
     } catch (Exception e) {
       throw new IllegalStateException(
-          "Failed to instantiate downloader for content type " + contentType);
+          "Failed to instantiate downloader for content type " + contentType, e);
     }
   }