diff --git a/core/java/com/android/internal/os/SystemServicePowerCalculator.java b/core/java/com/android/internal/os/SystemServicePowerCalculator.java
index b4a2b637cae82..c527c06981ad2 100644
--- a/core/java/com/android/internal/os/SystemServicePowerCalculator.java
+++ b/core/java/com/android/internal/os/SystemServicePowerCalculator.java
@@ -175,8 +175,11 @@ public class SystemServicePowerCalculator extends PowerCalculator {
         final double systemUidModeledPowerMah = mCpuPowerCalculator.calculateUidModeledPowerMah(
                 systemUid, BatteryStats.STATS_SINCE_CHARGED);
 
-        return uCtoMah(consumptionUC) * systemServiceModeledPowerMah
-                / systemUidModeledPowerMah;
+        if (systemUidModeledPowerMah > 0) {
+            return uCtoMah(consumptionUC) * systemServiceModeledPowerMah / systemUidModeledPowerMah;
+        } else {
+            return 0;
+        }
     }
 
     private double calculatePowerUsingPowerProfile(BatteryStats batteryStats) {