diff --git a/core/java/com/android/internal/os/BatteryStatsImpl.java b/core/java/com/android/internal/os/BatteryStatsImpl.java
index e964a8f468f2e..dfcc8f73dba51 100644
--- a/core/java/com/android/internal/os/BatteryStatsImpl.java
+++ b/core/java/com/android/internal/os/BatteryStatsImpl.java
@@ -2705,6 +2705,7 @@ public final class BatteryStatsImpl extends BatteryStats {
         mWifiOnTimer = new StopwatchTimer(-3, null, mUnpluggables);
         mWifiRunningTimer = new StopwatchTimer(-4, null, mUnpluggables);
         mBluetoothOnTimer = new StopwatchTimer(-5, null, mUnpluggables);
+        mAudioOnTimer = new StopwatchTimer(-6, null, mUnpluggables);
         mOnBattery = mOnBatteryInternal = false;
         mTrackBatteryPastUptime = 0;
         mTrackBatteryPastRealtime = 0;