diff --git a/libraries/transformer/src/main/java/androidx/media3/transformer/SilentAudioGenerator.java b/libraries/transformer/src/main/java/androidx/media3/transformer/SilentAudioGenerator.java
index cb0d82e6fc..d87d03a6d5 100644
--- a/libraries/transformer/src/main/java/androidx/media3/transformer/SilentAudioGenerator.java
+++ b/libraries/transformer/src/main/java/androidx/media3/transformer/SilentAudioGenerator.java
@@ -37,7 +37,8 @@ import java.nio.ByteOrder;
     long outputFrameCount = (format.sampleRate * totalDurationUs) / C.MICROS_PER_SECOND;
     remainingBytesToOutput = frameSize * outputFrameCount;
     internalBuffer =
-        ByteBuffer.allocate(DEFAULT_BUFFER_SIZE_FRAMES * frameSize).order(ByteOrder.nativeOrder());
+        ByteBuffer.allocateDirect(DEFAULT_BUFFER_SIZE_FRAMES * frameSize)
+            .order(ByteOrder.nativeOrder());
     internalBuffer.flip();
   }