diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
index 2705f07069bf1..4c68312b93785 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
@@ -1007,7 +1007,7 @@ public class KeyguardViewMediator extends SystemUI implements Dumpable {
         intent.putExtra("seq", mDelayedShowingSequence);
         intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND);
         PendingIntent sender = PendingIntent.getBroadcast(mContext,
-                0, intent, PendingIntent.FLAG_CANCEL_CURRENT);
+                0, intent, PendingIntent.FLAG_CANCEL_CURRENT |  PendingIntent.FLAG_IMMUTABLE);
         mAlarmManager.setExactAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, sender);
         if (DEBUG) Log.d(TAG, "setting alarm to turn off keyguard, seq = "
                          + mDelayedShowingSequence);