diff --git a/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java b/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
index 2699d13b9b9e8..ccc700daa9092 100644
--- a/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
+++ b/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
@@ -4389,7 +4389,7 @@ public class PhoneWindowManager implements WindowManagerPolicy {
                 result &= ~ACTION_PASS_TO_USER;
                 if (down) {
                     boolean panic = mImmersiveModeConfirmation.onPowerKeyDown(interactive,
-                            event.getDownTime(), isImmersiveMode(mLastSystemUiFlags));
+                            SystemClock.elapsedRealtime(), isImmersiveMode(mLastSystemUiFlags));
                     if (panic) {
                         mHandler.post(mRequestTransientNav);
                     }