diff --git a/engine/src/core-plugins/com/jme3/scene/plugins/OBJLoader.java b/engine/src/core-plugins/com/jme3/scene/plugins/OBJLoader.java
index 58a13f819..5bb807e8c 100644
--- a/engine/src/core-plugins/com/jme3/scene/plugins/OBJLoader.java
+++ b/engine/src/core-plugins/com/jme3/scene/plugins/OBJLoader.java
@@ -246,7 +246,7 @@ public final class OBJLoader implements AssetLoader {
             f.verticies[i] = vertList.get(i);
         }
 
-        if (matList != null){
+        if (matList != null && matFaces.containsKey(currentMatName)){
             matFaces.get(currentMatName).add(f);
         }else{
             faces.add(f); // faces that belong to the default material
diff --git a/engine/src/core/com/jme3/audio/Listener.java b/engine/src/core/com/jme3/audio/Listener.java
index 0b405b653..609b0ca50 100644
--- a/engine/src/core/com/jme3/audio/Listener.java
+++ b/engine/src/core/com/jme3/audio/Listener.java
@@ -60,26 +60,6 @@ public class Listener {
         this.renderer = renderer;
     }
 
-    /**
-     *
-     * @return
-     * @deprecated Use {@link Listener#getVolume() }
-     */
-    @Deprecated
-    public float getGain() {
-        return getVolume();
-    }
-
-    /**
-     *
-     * @param gain
-     * @deprecated Use {@link Listener#setVolume(float) }
-     */
-    @Deprecated
-    public void setGain(float gain) {
-        setVolume(gain);
-    }
-
     public float getVolume() {
         return volume;
     }
@@ -131,13 +111,4 @@ public class Listener {
         if (renderer != null)
             renderer.updateListenerParam(this, ListenerParam.Velocity);
     }
-
-    @Deprecated
-    public boolean isRefreshNeeded(){
-        return true;
-    }
-
-    public void clearRefreshNeeded(){
-    }
-
 }
diff --git a/engine/src/lwjgl-oal/com/jme3/audio/lwjgl/LwjglAudioRenderer.java b/engine/src/lwjgl-oal/com/jme3/audio/lwjgl/LwjglAudioRenderer.java
index 6e0f8aeee..97201c79b 100644
--- a/engine/src/lwjgl-oal/com/jme3/audio/lwjgl/LwjglAudioRenderer.java
+++ b/engine/src/lwjgl-oal/com/jme3/audio/lwjgl/LwjglAudioRenderer.java
@@ -774,6 +774,7 @@ public class LwjglAudioRenderer implements AudioRenderer, Runnable {
             }
             
             this.listener = listener;
+            this.listener.setRenderer(this);
             setListenerParams(listener);
         }
     }
diff --git a/engine/src/test/jme3test/audio/TestMusicPlayer.java b/engine/src/test/jme3test/audio/TestMusicPlayer.java
index 6374b2f50..9f3946732 100644
--- a/engine/src/test/jme3test/audio/TestMusicPlayer.java
+++ b/engine/src/test/jme3test/audio/TestMusicPlayer.java
@@ -237,7 +237,7 @@ public class TestMusicPlayer extends javax.swing.JFrame {
     }//GEN-LAST:event_formWindowClosing
 
     private void sldVolumeStateChanged(javax.swing.event.ChangeEvent evt) {//GEN-FIRST:event_sldVolumeStateChanged
-       listener.setGain( (float) sldVolume.getValue() / 100f);
+       listener.setVolume( (float) sldVolume.getValue() / 100f);
        ar.setListener(listener);
     }//GEN-LAST:event_sldVolumeStateChanged