diff --git a/services/core/jni/com_android_server_powerstats_PowerStatsService.cpp b/services/core/jni/com_android_server_powerstats_PowerStatsService.cpp
index 1208354899d59..3f54529211dde 100644
--- a/services/core/jni/com_android_server_powerstats_PowerStatsService.cpp
+++ b/services/core/jni/com_android_server_powerstats_PowerStatsService.cpp
@@ -335,7 +335,8 @@ static jobjectArray nativeReadEnergyMeters(JNIEnv *env, jclass clazz, jintArray
                                                                   field_EM_timestampMs,
                                                                   energyData[i].timestamp);
                                                 env->SetLongField(energyMeasurement,
-                                                                  field_EM_durationMs, -1);
+                                                                  field_EM_durationMs,
+                                                                  energyData[i].timestamp);
                                                 env->SetLongField(energyMeasurement,
                                                                   field_EM_energyUWs,
                                                                   energyData[i].energy);