diff --git a/src/java/org/lwjgl/test/openal/WaveData.java b/src/java/org/lwjgl/test/openal/WaveData.java
index e05c4d65..53b5e17f 100644
--- a/src/java/org/lwjgl/test/openal/WaveData.java
+++ b/src/java/org/lwjgl/test/openal/WaveData.java
@@ -166,6 +166,7 @@ public class WaveData {
 		//insert data into bytebuffer
 		ByteBuffer buffer = ByteBuffer.allocateDirect(buf.length);
 		buffer.put(buf);
+    buffer.rewind();
 
     //create our result
 		WaveData wavedata =