diff --git a/jme3-core/src/main/java/com/jme3/audio/AudioNode.java b/jme3-core/src/main/java/com/jme3/audio/AudioNode.java
index 9f44c82be..d1c7b8ef8 100644
--- a/jme3-core/src/main/java/com/jme3/audio/AudioNode.java
+++ b/jme3-core/src/main/java/com/jme3/audio/AudioNode.java
@@ -78,7 +78,7 @@ public class AudioNode extends Node implements AudioSource {
     protected transient AudioData data = null;
     protected transient volatile AudioSource.Status status = AudioSource.Status.Stopped;
     protected transient volatile int channel = -1;
-    protected Vector3f previousWorldTranslation = Vector3f.NAN;
+    protected Vector3f previousWorldTranslation = Vector3f.NAN.clone();
     protected Vector3f velocity = new Vector3f();
     protected boolean reverbEnabled = false;
     protected float maxDistance = 200; // 200 meters