diff --git a/core/java/com/android/internal/os/WifiPowerCalculator.java b/core/java/com/android/internal/os/WifiPowerCalculator.java
index 776a705..3915b0e 100644
--- a/core/java/com/android/internal/os/WifiPowerCalculator.java
+++ b/core/java/com/android/internal/os/WifiPowerCalculator.java
@@ -215,6 +215,9 @@
                             + "ms tx=" + txTime + "ms power=" + formatCharge(
                             powerDurationAndTraffic.powerMah));
                 }
+            } else {
+                powerDurationAndTraffic.durationMs = 0;
+                powerDurationAndTraffic.powerMah = 0;
             }
         } else {
             final long wifiRunningTime = u.getWifiRunningTime(rawRealtimeUs, statsType) / 1000;