diff --git a/packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitor.java b/packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitor.java
index 1c6dc2cfef8f1..aa5819e6cac7b 100644
--- a/packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitor.java
+++ b/packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitor.java
@@ -518,7 +518,7 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener {
          * Determine whether the device is plugged in (USB, power, or wireless).
          * @return true if the device is plugged in.
          */
-        boolean isPluggedIn() {
+        public boolean isPluggedIn() {
             return plugged == BatteryManager.BATTERY_PLUGGED_AC
                     || plugged == BatteryManager.BATTERY_PLUGGED_USB
                     || plugged == BatteryManager.BATTERY_PLUGGED_WIRELESS;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java b/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
index ce35e4bce2b5a..992aa9fa4c509 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
@@ -162,8 +162,9 @@ public class KeyguardIndicationController {
     KeyguardUpdateMonitorCallback mUpdateMonitor = new KeyguardUpdateMonitorCallback() {
         @Override
         public void onRefreshBatteryInfo(KeyguardUpdateMonitor.BatteryStatus status) {
-            mPowerPluggedIn = status.status == BatteryManager.BATTERY_STATUS_CHARGING
+            boolean isChargingOrFull = status.status == BatteryManager.BATTERY_STATUS_CHARGING
                     || status.status == BatteryManager.BATTERY_STATUS_FULL;
+            mPowerPluggedIn = status.isPluggedIn() && isChargingOrFull;
             mPowerCharged = status.isCharged();
             updateIndication();
         }