diff --git a/services/sensorservice/SensorDevice.cpp b/services/sensorservice/SensorDevice.cpp
index 5d6f8c7..c233bf0 100644
--- a/services/sensorservice/SensorDevice.cpp
+++ b/services/sensorservice/SensorDevice.cpp
@@ -915,7 +915,7 @@
     if (activationIndex < 0) {
         return false;
     }
-    return mActivationCount.valueAt(activationIndex).numActiveClients() > 0;
+    return mActivationCount.valueAt(activationIndex).isActive;
 }
 
 void SensorDevice::onMicSensorAccessChanged(void* ident, int handle, nsecs_t samplingPeriodNs) {
diff --git a/services/sensorservice/SensorInterface.cpp b/services/sensorservice/SensorInterface.cpp
index 560834f..c285c00 100644
--- a/services/sensorservice/SensorInterface.cpp
+++ b/services/sensorservice/SensorInterface.cpp
@@ -92,14 +92,16 @@
 }
 
 status_t ProximitySensor::activate(void* ident, bool enabled) {
-    bool wasActive = mActive;
+    bool lastState = mSensorDevice.isSensorActive(mSensor.getHandle());
+
     status_t status = HardwareSensor::activate(ident, enabled);
     if (status != NO_ERROR) {
         return status;
     }
-    mActive = enabled;
-    if (wasActive != enabled) {
-        mSensorService.onProximityActiveLocked(enabled);
+
+    bool currentState = mSensorDevice.isSensorActive(mSensor.getHandle());
+    if (currentState != lastState) {
+        mSensorService.onProximityActiveLocked(currentState);
     }
     return NO_ERROR;
 }
diff --git a/services/sensorservice/SensorInterface.h b/services/sensorservice/SensorInterface.h
index ea181c9..4e9f7bf 100644
--- a/services/sensorservice/SensorInterface.h
+++ b/services/sensorservice/SensorInterface.h
@@ -119,7 +119,6 @@
     void didEnableAllSensors() override;
 private:
     SensorService& mSensorService;
-    bool mActive;
 };
 
 // ---------------------------------------------------------------------------