diff --git a/healthd/BatteryMonitor.cpp b/healthd/BatteryMonitor.cpp
index 9e168e9..e80f368 100644
--- a/healthd/BatteryMonitor.cpp
+++ b/healthd/BatteryMonitor.cpp
@@ -73,12 +73,25 @@
     return std::nullopt;
 }
 
+static void initHealthInfo(HealthInfo_2_1* health_info_2_1) {
+    *health_info_2_1 = HealthInfo_2_1{};
+
+    // HIDL enum values are zero initialized, so they need to be initialized
+    // properly.
+    health_info_2_1->batteryCapacityLevel = BatteryCapacityLevel::UNKNOWN;
+    auto* props = &health_info_2_1->legacy.legacy;
+    props->batteryStatus = BatteryStatus::UNKNOWN;
+    props->batteryHealth = BatteryHealth::UNKNOWN;
+}
+
 BatteryMonitor::BatteryMonitor()
     : mHealthdConfig(nullptr),
       mBatteryDevicePresent(false),
       mBatteryFixedCapacity(0),
       mBatteryFixedTemperature(0),
-      mHealthInfo(std::make_unique<HealthInfo_2_1>()) {}
+      mHealthInfo(std::make_unique<HealthInfo_2_1>()) {
+    initHealthInfo(mHealthInfo.get());
+}
 
 BatteryMonitor::~BatteryMonitor() {}
 
@@ -198,7 +211,7 @@
 }
 
 void BatteryMonitor::updateValues(void) {
-    *mHealthInfo = HealthInfo_2_1{};
+    initHealthInfo(mHealthInfo.get());
 
     HealthInfo_1_0& props = mHealthInfo->legacy.legacy;