diff --git a/packages/SystemUI/src/com/android/systemui/assist/AssistManager.java b/packages/SystemUI/src/com/android/systemui/assist/AssistManager.java
index c7c10f1c22117..97b6e7c584409 100644
--- a/packages/SystemUI/src/com/android/systemui/assist/AssistManager.java
+++ b/packages/SystemUI/src/com/android/systemui/assist/AssistManager.java
@@ -258,7 +258,7 @@ public class AssistManager implements ConfigurationChangedReceiver {
         }
         int phoneState = mPhoneStateMonitor.getPhoneState();
         args.putInt(INVOCATION_PHONE_STATE_KEY, phoneState);
-        args.putLong(INVOCATION_TIME_MS_KEY, SystemClock.uptimeMillis());
+        args.putLong(INVOCATION_TIME_MS_KEY, SystemClock.elapsedRealtime());
         logStartAssist(invocationType, phoneState);
         startAssistInternal(args, assistComponent, isService);
     }