diff --git a/src/com/android/settings/notification/VolumeSeekBarPreference.java b/src/com/android/settings/notification/VolumeSeekBarPreference.java
index f94e6a132be..f391f86b350 100644
--- a/src/com/android/settings/notification/VolumeSeekBarPreference.java
+++ b/src/com/android/settings/notification/VolumeSeekBarPreference.java
@@ -105,6 +105,7 @@ public class VolumeSeekBarPreference extends SeekBarPreference
                 }
             };
         }
+        mVolumizer.start();
         mVolumizer.setSeekBar(mSeekBar);
         mIconView = (ImageView) view.findViewById(com.android.internal.R.id.icon);
         mCallback.onStreamValueChanged(mStream, mSeekBar.getProgress());