diff --git a/src/com/android/settings/notification/VolumeSeekBarPreference.java b/src/com/android/settings/notification/VolumeSeekBarPreference.java
index 63390089430..14281162157 100644
--- a/src/com/android/settings/notification/VolumeSeekBarPreference.java
+++ b/src/com/android/settings/notification/VolumeSeekBarPreference.java
@@ -91,9 +91,10 @@ public class VolumeSeekBarPreference extends SeekBarPreference {
         mStopped = true;
         if (mVolumizer != null) {
             mVolumizer.stop();
+            mVolumizer = null;
         }
     }
-    
+
     @Override
     public void onBindViewHolder(PreferenceViewHolder view) {
         super.onBindViewHolder(view);